[Determination of annaka injection by an improved double wavelength spectrophotometry].
Zhou
M
M
Wen
L
L
Deng
K
K
D002110:Caffeine / Q000032:analysis*; D004339:Drug Compounding; D020160:Sodium Benzoate / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods
D002110:Caffeine; D020160:Sodium Benzoate