Minimal dose of a stimulus for maximal pepsin secretion.
D004305:Dose-Response Relationship, Drug; D006632:Histamine / Q000008:administration & dosage*; D006801:Humans; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D008297:Male; D010418:Pentagastrin / Q000008:administration & dosage*; D010434:Pepsin A / Q000378:metabolism*
D006632:Histamine; D010434:Pepsin A; D010418:Pentagastrin