title: Prostaglandins and human respiratory tract smooth muscle: structure activity relationship.
mesh_terms: D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects / Q000503:physiopathology*; D009928:Organ Specificity; D011453:Prostaglandins / Q000494:pharmacology*; D012137:Respiratory System / Q000187:drug effects / Q000503:physiopathology*; D013329:Structure-Activity Relationship
chemical_list: D011453:Prostaglandins