title: Pulmonary surfactant: unanswered questions.
authors.forename: N J
authors.initials: NJ
authors.lastname: Gross
mesh_terms: D000328:Adult; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000378:metabolism; D008168:Lung / Q000378:metabolism*; D011663:Pulmonary Surfactants / Q000737:chemistry / Q000502:physiology / Q000627:therapeutic use*; D012128:Respiratory Distress Syndrome / Q000188:drug therapy / Q000378:metabolism; D012127:Respiratory Distress Syndrome, Newborn / Q000188:drug therapy* / Q000378:metabolism
chemical_list: D011663:Pulmonary Surfactants