Cancer: research into tumour markers.
D002272:Carcinoembryonic Antigen / Q000032:analysis*; D006063:Chorionic Gonadotropin / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000175:diagnosis*; D011247:Pregnancy
D002272:Carcinoembryonic Antigen; D006063:Chorionic Gonadotropin