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Glaxo Wellcome
Pharmacology Guide

In vivo pharmacology: dose regimes

Acute  Single dose.
Chronic  Repeated dosing.
od  (Latin, omni die) Once daily (lit.: every day).
bds, bd or bid  (Latin, bis die or bis in die) Twice-daily dosing.
tds, td or tid  (Latin, ter die or ter in die) Thrice-daily dosing.
qds or qid (Latin, quater in die) Four-times-daily dosing.
Nocte (Latin) At night.


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