[On the 2 action sites of prostaglandin E1 as viewed from dose response curves--an experiment using the cystic membrane of the toad].
D000818:Animals; D001001:Anura; D001665:Binding Sites; D001692:Biological Transport / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D066298:In Vitro Techniques; D010539:Permeability; D011453:Prostaglandins / Q000494:pharmacology*; D012964:Sodium / Q000378:metabolism; D001743:Urinary Bladder / Q000187:drug effects*
D011453:Prostaglandins; D012964:Sodium