[Application of signal multiplier derivative spectrophotometry and equivalent-derivate derivative spectrophotometry to the determination of promethazine and paracetamol in xiretong injection].
Lin
L M
LM
D000082:Acetaminophen / Q000032:analysis*; D004338:Drug Combinations; D007267:Injections; D011398:Promethazine / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet / Q000379:methods
D004338:Drug Combinations; D000082:Acetaminophen; D011398:Promethazine