On the extracellular calcium concentration and the relaxing effect of oxytocin.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007422:Intestines / Q000187:drug effects; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D009433:Neural Inhibition; D010121:Oxytocin / Q000494:pharmacology*; D013270:Stomach / Q000187:drug effects; D014599:Uterus / Q000187:drug effects
D010121:Oxytocin; D002118:Calcium