title: Grading a developmental continuum--now and then.
authors.forename: Howard W
authors.initials: HW
authors.lastname: Jones
mesh_terms: D001706:Biopsy; D004717:Endometrium / Q000378:metabolism* / Q000473:pathology*; D004958:Estradiol / Q000378:metabolism*; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000378:metabolism* / Q000473:pathology*; D008597:Menstrual Cycle / Q000378:metabolism*; D011374:Progesterone / Q000378:metabolism*
chemical_list: D011374:Progesterone; D004958:Estradiol