The autoradiographic localisation of 5-hydroxytryptamine in the gastrointestinal tract of the guinea-pig in vivo.
D000818:Animals; D001345:Autoradiography; D004064:Digestive System / Q000032:analysis*; D006168:Guinea Pigs; D012701:Serotonin / Q000032:analysis*; D014316:Tritium
D014316:Tritium; D012701:Serotonin