On the chromatographic isolation of two different kober chromogens from pregnant cow's urine, with some remarks on the analytical procedure.
D000818:Animals; D002417:Cattle; D002845:Chromatography; D045166:Estradiol Congeners; D004967:Estrogens / Q000652:urine*; D005260:Female; D009282:Naphthalenesulfonates; D011247:Pregnancy / Q000652:urine
D045166:Estradiol Congeners; D004967:Estrogens; D009282:Naphthalenesulfonates; C006671:azo rubin S
ESTROGENS/in urine; PREGNANCY/urine in