title: An immunohistochemical and radioimmunological study of the distribution of [met5]- and [leu5]-enkephalin in the gastrointestinal tract.
mesh_terms: D000818:Animals; D006224:Cricetinae; D004064:Digestive System / Q000032:analysis / Q000378:metabolism*; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000032:analysis / Q000378:metabolism*; D006168:Guinea Pigs; D007124:Immunoenzyme Techniques; D008297:Male; D011863:Radioimmunoassay; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins