title: [Changes of the pulmonary surfactant before and after pulmonary surgery].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008168:Lung / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D011663:Pulmonary Surfactants / Q000378:metabolism*
chemical_list: D011663:Pulmonary Surfactants