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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Medical devices are now a $17 billion industry, with vigorous growth forecast into the next century. Accompanying such growth, however, are significant product liability risks. Medical devices is a phrase often evoking memories of the Dalkon Shield, breast implants or defective heart valves.