title: Studies of a single placental cotyledon in vitro:  I.  The preparation and its viability.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D004734:Energy Metabolism; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D010477:Perfusion; D010920:Placenta / Q000098:blood supply / Q000502:physiology*; D011247:Pregnancy; D014022:Tissue Survival
chemical_list: D000255:Adenosine Triphosphate