Autoradiographic visualization of receptor binding sites for substance P in the gastrointestinal tract of the guinea pig.
D000818:Animals; D001345:Autoradiography; D001665:Binding Sites; D004064:Digestive System / Q000378:metabolism*; D006168:Guinea Pigs; D011956:Receptors, Cell Surface / Q000378:metabolism*; D018040:Receptors, Neurokinin-1
D011956:Receptors, Cell Surface; D018040:Receptors, Neurokinin-1