title: Salivary progesterone and luteal function in two low-fertility populations of Northeast Zaire.
mesh_terms: D000328:Adult; D015023:Democratic Republic of the Congo; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000378:metabolism*; D008183:Luteal Phase; D011374:Progesterone / Q000378:metabolism*; D012463:Saliva / Q000378:metabolism*
chemical_list: D011374:Progesterone