title: [A study on a smooth muscle contracting substance produced in vitro by alveolar macrophages].
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D004912:Erythrocytes; D006168:Guinea Pigs; D008264:Macrophages / Q000378:metabolism* / Q000502:physiology; D008297:Male; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology*; D010587:Phagocytosis; D011650:Pulmonary Alveoli / Q000166:cytology; D051381:Rats; D011919:Rats, Inbred Strains; D013189:SRS-A / Q000096:biosynthesis / Q000502:physiology*; D015054:Zymosan / Q000494:pharmacology
chemical_list: D013189:SRS-A; D015054:Zymosan