What does qid bid tid OS sq in drug dose mean? qid four times daily bid twice daily tid three times daily OS in left eye (oculo sinister) sq subcutaneously Oh and another one is QOD = Every Other Day :)
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Animal Research Benefits. To a scientist such as myself, who spent 40 years in pharmaceutical research and saw some 20 new drugs reach the market, it is shocking that a physician like Kenneth Stoller (The Scientist, Sept. 5, 1994, page 12) would have any doubts about the need for experimental animals in new drug research and development.