A recent systematic review suggested that physical therapy is effective, but there is only moderate evidence to support this conclusion.

A 1998 systematic review of studies assessing its prevalence in 13 countries concluded that about 31 % of cancer patients use some form of complementary and alternative medicine .< ref name = Ernst_Cassileth > Alternative medicine varies from country to country.

A systematic 2003 review of controlled clinical trials related to the Alexander Technique found two reputable studies suggesting the Alexander Technique is effective in reducing the disability of patients suffering from Parkinson ’ s disease and improving pain behaviour and disability in patients with back pain, and concluded that the evidence supporting the effectiveness of the Alexander Technique is encouraging but not convincing.

A systematic review of randomized controlled trials published in the Archives of General Psychiatry showed up to one-third of the six-week effect of SSRI treatment can be seen in the first week.

Nevertheless, a 2009 systematic review and meta-analysis of trials in people diagnosed with schizophrenia found that less than half ( 41 %) showed any therapeutic response to an antipsychotic, compared to 24 % on placebo, and that there was a decline in treatment response over time, and possibly a bias in which trial results were published.

A systematic review by the Cochrane Collaboration found no studies of sufficient quality to make any statement on the efficacy of the vaccine.

Guidelines issued by the UK-based National Institute for Health and Clinical Excellence ( NICE ), carried out a systematic review using different methodology and came to a different conclusion.

However, controversy exists as to tolerance to the anxiolytic effects with some evidence that benzodiazepines retain efficacy and opposing evidence from a systematic review of the literature that tolerance frequently occurs and some evidence that anxiety may worsen with long-term use.

A systematic review of CBT in depression and anxiety disorders concluded that " CBT delivered in primary care, especially including computer-or Internet-based self-help programs, is potentially more effective than usual care and could be delivered effectively by primary care therapists.

A systematic review found that the risk of death from manipulations to the neck outweighs the benefits.

“ Health effects of Relocation following disasters: a systematic review of literature ”.

Using techniques from science, engineering and statistics, such as the systematic review of medical literature, meta-analysis, risk-benefit analysis, and randomized controlled trials ( RCTs ), EBM aims for the ideal that healthcare professionals should make " conscientious, explicit, and judicious use of current best evidence " in their everyday practice.

The systematic review of published research studies is a major method used for evaluating particular treatments.

A 2001 review of 160 Cochrane systematic reviews ( excluding complementary treatments ) in the 1998 database revealed that, according to two readers, 41. 3 % concluded positive or possibly positive effect, 20 % concluded evidence of no effect, 8. 1 % concluded net harmful effects, and 21. 3 % of the reviews concluded insufficient evidence.

The second area is the systematic review of medical literature to evaluate the best studies on specific topics.

For example, the strongest evidence for therapeutic interventions is provided by systematic review of randomized, triple-blind, placebo-controlled trials with allocation concealment and complete follow-up involving a homogeneous patient population and medical condition.

It concludes from a systematic review of available research that,

*" A systematic review has found that hypnosis enhances the effects of cognitive behavioural therapy for conditions such as phobia, obesity, and anxiety.

According to a systematic review by the Cochrane Collaboration, the best evidence in the treatment of LEMS exists for 3, 4-aminopyridine and IVIG.

Consequently, a systematic review by the Cochrane Collaboration ( published in 2008 ) found insufficient evidence to recommend the use of silver-treated dressings to treat infected wounds.

A systematic review by the Cochrane Collaboration found no studies of sufficient quality to make any statement on the efficacy of the vaccine.

In a systematic review including two prospective studies of 47, XYY boys identified by newborn screening programs and one retrospective study of 47, XYY men identified by screening men over 184 cm ( 6 ' 0 ") in height, forty-two 47, XYY boys and men had an average 99. 5 verbal IQ and 106. 4 performance IQ .< ref name =" Ratcliffe 1994 ">

In a recent systematic review of eight trials of day care for disadvantaged children under 5 years of age, long term follow up showed lower pregnancy rates among adolescents.

" In 2003, The UK ECT Review group published a systematic review and meta-analysis comparing ECT to placebo and antidepressant drugs.

Like other collections of systematic reviews, it requires authors to provide a detailed and repeatable plan of their literature search and evaluations of the evidence.

David Brady describes a " lull before the storm " in which, in the early 17th century, " reasonably restrained and systematic " Protestant exegesis of the Book of Revelation was seen with Brightman, Mede and Hugh Broughton ; after which " apocalyptic literature became too easily debased " as it became more populist, less scholarly.

The following systematic list ( gender taxonomy ) illustrates the kinds of diversity that have been studied and reported in medical literature.

Later semiotic approaches to literature have often been less systematic ( or, in some special cases such as Roland Barthes's S / Z, they have been so specifically and exhaustively systematic as to render the possibility of a complete literary semiotics doubtful ).

Literary theory in a strict sense is the systematic study of the nature of literature and of the methods for analyzing literature.

A systematic review in 2007 of the published English-language literature assessed the quality and strength of articles addressing causes for carpal tunnel syndrome.

" Though materialism in some form or other has always been present in India, and occasional references are found in the Vedas, the Buddhistic literature, the Epics, as well as in the later philosophical works we do not find any systematic work on materialism, nor any organised school of followers as the other philosophical schools possess.

Arguing that " criticism cannot be a systematic thus scientific study unless there is a quality in literature which enables it to be so ," Frye puts forward the hypothesis that " just as there is an order of nature behind the natural sciences, so literature is not a piled aggregate of ' works ,' but an order of words " ( Anatomy 17 ).

Balakirev, who had never had any systematic course in harmony and counterpoint and had not even superficially applied himself to them, evidently thought such studies quite unnecessary .... An excellent pianist, a superior sight reader of music, a splendid improvisor, endowed by nature with a sense of correct harmony and part-writing, he possessed a technique partly native and partly acquired through a vast musical erudition, with the help of an extraordinary memory, keen and retentive, which means so much in steering a critical course in musical literature.

In a systematic literature review published by the International Association for the Study of Pain ( IASP ), 13 chronic pain studies from various countries around the world were analyzed.

Its encyclopaedic content, its systematic arrangement and philosophical plan soon worked its way into a position of pre-eminence in the medical literature of Europe, displacing the works of Galen and becoming the text book for medical education in the schools of Europe.

* literature search-A systematic and thorough search of all material, print or electronic, published on a given topic.

" Although there is considerable literature about specific marques, there is a lack of systematic and scholarly work that " analyzes the luxury car phenomenon itself.

Ethics in systematic form, and apart from religious belief, is as little found in apocryphal or Judæo-Hellenistic literature as in the Bible.

In a 2012 position statement, the American Academy of Pediatrics ( AAP ) stated that a systematic evaluation of the medical literature shows that the " preventive health benefits of elective circumcision of male newborns outweigh the risks of the procedure " and that the health benefits " are sufficient to justify access to this procedure for families choosing it and to warrant third-party payment for circumcision of male newborns ," but " are not great enough to recommend routine circumcision for all male newborns ".

A commercial extract Petasol butenoate complex ( Ze 339 ) has proved helpful for allergic rhinitis An evidence-based 2005 systematic review including written and statistical analysis of scientific literature, expert opinion, folkloric precedent, history, pharmacology, kinetics / dynamics, interactions, adverse effects, toxicology, and dosing is available from the Natural Standard Research Collaboration.

He wrote many essays on social-science topics, such as: psychology, logic, literature, rights and is considered as one of the first systematic sociologists in Latin America.