title: Proceedings: Measurement of endogenous steroid levels in human breast tumours by mass fragmentography.
mesh_terms: D000728:Androgens / Q000032:analysis*; D001943:Breast Neoplasms / Q000378:metabolism*; D002849:Chromatography, Gas; D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D013058:Mass Spectrometry
chemical_list: D000728:Androgens; D004967:Estrogens