Intrasubject variation of creatinine and specific gravity measurements in consecutive urine specimens of heroin users.
Goldberger
B A
BA
Addiction Research Center, Natl. Inst. on Drug Abuse, Baltimore, MD 21224.
Loewenthal
B
B
Darwin
W D
WD
Cone
E J
EJ
D003404:Creatinine / Q000652:urine*; D005188:False Negative Reactions; D003932:Heroin / Q000652:urine*; D006801:Humans; D008297:Male; D013046:Specific Gravity
D003932:Heroin; D003404:Creatinine