title: Transport of cations by the guinea-pig placenta perfused in situ [proceedings].
mesh_terms: D000818:Animals; D001693:Biological Transport, Active; D005260:Female; D006168:Guinea Pigs; D010920:Placenta / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism; D011247:Pregnancy; D012964:Sodium / Q000378:metabolism
chemical_list: D012964:Sodium; D011188:Potassium