The extraction of gonadotrophins from urine by the combined use of benzoic acid and tungstic acid.
D001565:Benzoates; D019817:Benzoic Acid; D006062:Gonadotropins / Q000652:urine*; D014414:Tungsten; D017973:Tungsten Compounds
D001565:Benzoates; D006062:Gonadotropins; D017973:Tungsten Compounds; D019817:Benzoic Acid; C021101:tungstic(VI) acid; D014414:Tungsten
BENZOATES; GONADOTROPINS/in urine; TUNGSTEN