Paper partition chromatography of natural oestrogens.
D002845:Chromatography; D002853:Chromatography, Liquid; D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D010209:Paper
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS/determination