title: Observing the human condition.
authors.forename: Stephen A
authors.initials: SA
authors.lastname: Margolis
mesh_terms: D000067289:Behavior Observation Techniques; D002648:Child; D019317:Evidence-Based Medicine; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010845:Obesity Hypoventilation Syndrome / Q000175:diagnosis* / Q000266:history / Q000628:therapy