However, there are still several types of calls that necessitate the use of telephone operators.

However, if their United States income is not subject to the withholding of tax on wages, their returns are due June 15, 1962, if they use a calendar year, or the 15th day of the 6th month after the close of their fiscal year.

However, the use of tripods is not allowed.

However, there is also much to be gained by making use of the abilities of the local people who are available and interested in recreation.

However, Plato reports that syntax was devised before him, by Prodicus of Ceos, who was concerned by the correct use of words.

However, it did not come into general use until Joseph Greenberg ( 1963 ) formally proposed its adoption.

However, they will often use the same den as their mother until the next breeding season.

However, several telescope manufacturers have recently developed telescope systems that are calibrated with the use of built-in GPS, decreasing the time it takes to set up a telescope at the start of an observing session.

However, expressing these properties as axioms requires use of second-order logic.

However, the use of AU to refer to the astronomical unit is widespread.

However, commonly there are delays in regulatory and legislative actions to limit the use of antibacterials, attributable partly to resistance against such regulation by industries using or selling antibacterials, and to the time required for research to test causal links between antibacterial use and resistance.

However, the increasing prevalence of antibiotic-resistant bacterial infections seen in clinical practice stems from antibiotic use both within human medicine and veterinary medicine.

However, after the victorious Battle of Marathon in 490 BC, they decided to revise the plan and use marble instead.

However, careful design, testing, construction and use minimizes risks.

However, since Paul was from Cilicia and refers to himself using this name ( see Acts 21: 39, 22: 3 ), it seems very natural that the name Cilicia would have continued to be in colloquial use among its residents despite its hiatus in official Roman nomenclature.

However, exploring all n nodes of the tree in this manner would use each link exactly twice: one traversal to enter the subtree rooted at that node, and another to leave that node's subtree after having explored it.

However the original kit version lacked many features that prevented its use as a serious computer system.

However, the term came into wide use only after the publication of a review article by O. Jacobsen in the chemical dictionary of Albert Ladenburg in the 1880s.

However, the University of Washington was unwilling to let the fledgling league use Husky Stadium, probably due to the excessive wear and tear that would have caused to the facility's grass surface.

However most of his best prints are etchings, many of landscapes ; in these he was able most easily to use his drawing style.

However, with the use of cre-lox technology, a caspase 8 knock-out has been created that exhibits an increase in peripheral T cells, an impaired T cell response, and a defect in neural tube closure.

However, there is limited evidence that mistletoe's effects on the immune system help the body fight cancer .... At present, the use of mistletoe cannot be recommended outside the context of well-designed clinical trials.

However, air observers have been use since the beginning of indirect fire and were quickly joined by air photography.

However, for many acts the " off season " does not mean a period of inactivity, they use time for maintenance and practice.

However, it is the least common type of meningeal bleeding and is seen in 1 % to 3 % cases of head injury.

However, anthropologist Beverly Strassmann has proposed that the energy savings of not having to continuously maintain the uterine lining more than offsets energy cost of having to rebuild the lining in the next fertility cycle, even in species such as humans where much of the lining is lost through bleeding ( overt menstruation ) rather than reabsorbed ( covert menstruation ).

However, there is little evidence that these permanent interventions alter the pain symptoms of the affected patients and in addition to the normal risks of surgery, such as bleeding and infection, sympathectomy has several specific risks, such as adverse changes in how nerves function.

However, non-rasayana myrrh is contraindicated when kidney dysfunction or stomach pain is apparent, or for women who are pregnant or have excessive uterine bleeding.

However, volunteers treated with this drug experienced some side effects, such as nasal bleeding, and began developing resistance to the drug.

However, all of these projects had problems with colors bleeding from one pixel to another.

However, the annual incidence of major bleeding due to low-dose aspirin is modest — only 1. 3 patients per thousand higher than what is observed with placebo treatment.

However, headaches, nausea, vomiting, abnormal bleeding, dark urine, itching and some drug fever have been reported by a small number of patients.

However, mild hemophilia A ( and B ) is known to occur heterozygous females due to X-inactivation, so it is recommended that levels of factor VIII and IX be measured in all known or potential carriers prior to surgery and in the event of clinically-significant bleeding .< sup >: 1701 </ sup >

However, researchers have noted that red flag conditions may not always contribute to accuracy in diagnosis – for instance, as many as 31 % of IBS patients have blood in their stool many possibly from hemorrhoidal bleeding.

However, Onizuka was involved in a brawl just before taking his exams, and copious bleeding over the exam papers prevent his answers from being assessed.

However, from a practical view, early pregnancy bleeding is usually handled like a gynecological hemorrhage.

However, while the baby prince was being circumcised, the doctors noted that he did not stop bleeding — the first sign that the infant heir had haemophilia.

However, there are other procedures available – the choice may be dictated by the extent of the procedure ( complete tonsil removal versus partial tonsillectomy ) and other considerations such as pain and post-operative bleeding.

However, in the area of therapeutics, the Eclectics carried on a rigorous campaign against excesses of drugging and bleeding, which were still practices used by many physicians at the time.

However, in certain cases there is anecdotal evidence to prove that bleeding can be quite profuse, especially in cases of drowning.

However, Daredevil was suddenly shot by Paladin ( who was working for FBI operatives ) and was left bleeding profusely in Elektra's arms.

However, others were more circumspect, such as General William Heath, who said, " The wounds received on Long Island were yet bleeding ; and the officers, if not the men, knew that the city was not to be defended.

However, if platelet destruction results from an immune disorder, platelet infusions may have only a minimal effect and may be reserved for life-threatening bleeding.

However, for rapid bleeding (> 0. 5 ml / min ), mesenteric angiogram ± embolization is the gold standard.

However, internal bleeding is just as dangerous as external bleeding ; if enough blood vessels are severed to cause serious injury, the skin's elasticity will do nothing to prevent blood from exiting the circulatory system and accumulating uselessly in other parts of the body.

However, they can have a convex appearance, especially in the early stage of bleeding.

However, it is the least common type of meningeal bleeding and is seen in 1 % to 3 % cases of head injury.