However this has been a controversial subject with Masonic authors saying that it " is impossible to either substantiate or disprove " involvement in the Klan.

However, the use of molecular phylogenetics for dating evolutionary transitions is controversial.

However, scholars assert that a distinct " Central European culture, as controversial and debated the notion may be, exists.

However, the CRTC is also sometimes erroneously criticized for CBSC decisions — for example, the CRTC was erroneously criticized for the CBSC's decisions pertaining to the airing of Howard Stern's terrestrial radio show in Canada in the late 1990s, as well as the CBSC's controversial ruling on the Dire Straits song " Money for Nothing ".

However, two other terms, censorware and web filtering, while more controversial, are often used.

However, claims from Jung Chang and Jon Halliday's controversial Mao: the Unknown Story allege that Mao knew about the famine from the beginning but didn't care, and eventually Mao had to be stopped by a meeting of 7, 000 top Communist Party members.

The decision to hold the semi-finals at the same location as the final can be controversial amongst fans However, starting with the 2008 cup, all semi-finals are played at Wembley ; the stadium was not ready for the 2007 semi-finals.

However, it remains a controversial claim that primitive matriarchy existed in Greece or elsewhere.

However, the extent of this privatisation of NHS work is still very very small, though remains controversial.

However, Derleth's contributions have been controversial.

However, the interpretation of early paleolithic artifacts, with regard to how they relate to religious ideas, remains controversial.

However, these prohibitions grew increasingly controversial within the Conservative movement.

However, many of these researchers are controversial in their own right, and all of them have also received money from the Pioneer Fund, which had already funded much of Rushton's work when these reviews were written.

However, the procedure is more controversial in patients who do not show thymic abnormalities.

However, international recognition of the new country was delayed by Greece's objection to the use of what it considered a Hellenic name and national symbols, as well as controversial clauses in the Republic's constitution.

However, the exact relationship of the ancestor of mitochondria to the alpha-proteobacteria and whether the mitochondrion was formed at the same time or after the nucleus, remains controversial.

However, the Vikings lost to the Dallas Cowboys in the playoffs, 17 – 14, on a controversial touchdown pass from the Cowboys ' quarterback Roger Staubach to wide receiver Drew Pearson that became known as the Hail Mary.

However, the legality has changed somewhat with the controversial Digital Millennium Copyright Act.

However, the release of the Wii has been accompanied by a number of even more controversial mature titles, such as Manhunt 2, No More Heroes, The House of the Dead: Overkill and MadWorld, the latter three of which are published exclusively for the console.

However, Peary's claim remains controversial.

However, the physiological function of the prion protein remains a controversial matter.

However, it was in controversial circumstances after first across the line Gordon Moodie ( Thomson Jr's brother-in-law ) was disqualified from the race after being found with carburetor irregularities at post race scrutineering.

However, population comparisons between centaurs and TNOs are still controversial.

However, the choice to become vegetarian for non-medical reasons can sometimes be controversial.

However, the importance of vengeance is controversial, as a number of wuxia works stress Buddhist ideals, which includes forgiveness, compassion and a prohibition on killing.

However, only a very small percentage of all these people has remained in Angola, either for personal reasons ( intermarriage ) or as professionals ( e. g. medical doctors ).

However, according to George Sussman, the first obvious medical description of plague in China dates to 1644.

However, UK Home Secretary Jack Straw took the responsibility to release him on medical grounds, and refused to extradite him to Spain.

However, it is important to note that the patients in these studies received some form of spiritual healing ( i. e. not Christian Science ' treatment ') in addition to, not instead of, conventional medical care.

However a high index of suspicion is appropriate, since diarrhea and bloating are also symptoms of typhlitis, a very serious and potentially life-threatening medical emergency which requires immediate treatment.

" However, the DSM is based on an underlying structure that assumes discrete medical disorders that can be separated from each other by symptom patterns.

However, these potential bite marks were first noticed in photographs years after the trials and were not inspected by a board-certified medical examiner until four years after the murders.

However, the medical view is that the rush or high associated with the activity is not due to adrenaline being released as a response to fear, but due to increased levels of dopamine, endorphins and serotonin because of the high level of physical exertion.

However, Galen and the ancient Greek medical tradition generally continued to be studied and followed in the Eastern Roman Empire, commonly known as the Byzantine Empire.

However, Western Medicine was introduced to China in the 19th Century, mainly by medical missionaries sent from various Christian mission organizations, such as the London Missionary Society ( Britain ), the Methodist Church ( Britain ) and the Presbyterian Church ( USA ).

However, his discoveries were not appreciated by his contemporaries and came into general use only with discoveries of British surgeon Joseph Lister, who in 1865 proved the principles of antisepsis in the treatment of wounds ; However, medical conservatism on new breakthroughs in pre-existing science prevented them from being generally well received during the 19th century.

However Lind, like most of the medical profession, believed that scurvy was essentially a result of ill-digested and putrefying food within the body, bad water, excessive work and living in a damp atmosphere which prevented healthful perspiration.

However, Keats's training took up increasing amounts of his writing time, and he was increasingly ambivalent about his medical career.

However, the British weathered some of his vociferous talk and Dr. Banda gradually settled for a long slog by opening a medical surgery in Limbe where, to thank John Kadzamira ( one of the main organizers of the Harare NAC Branch ), Dr. Banda dutifully took in Cecilia Kadzamira ( a newly trained nurse from Salisbury Hospital ) as his first nursing staff member!

However, mechanical medical nanodevices would not be allowed ( or designed ) to self-replicate inside the human body, nor would medical nanorobots have any need for self-replication themselves since they would be manufactured exclusively in carefully regulated nanofactories.

However, medical practitioners often work long and inflexible hours, with shifts at unsociable times.

However, because of its 2-minute half-life, O-15 must be piped directly from a medical cyclotron for such uses, which is difficult.

However, many Muslims with medical conditions insist on fasting to satisfy their spiritual needs, and healthcare professionals must work with their patients to reach common ground.

However, many of the cures advocated by medieval medical practitioners proved fatal to the patients.

However, in his later years he had to pay for a locum tenens to run his medical practice while he was playing cricket and he had a reputation for treating his poorer patients without charging a fee.

However, a spokesman for the Institute of Radiation Physics stressed that the " symptoms described in Arafat's medical reports were not consistent with polonium-210 and that conclusions could not be drawn as to whether the Palestinian leader was poisoned or not.

However, the case against the medical student collapsed when it was revealed that ASIO officers had engaged in improper conduct during the investigation.

However, other sources include medical and industrial wastes, as well as naturally occurring radioactive materials ( NORM ) that can be concentrated as a result of the processing or consumption of coal, oil and gas, and some minerals, as discussed below.