title: Tales of the unexpected.
mesh_terms: D002986:Clinical Trials as Topic; D015444:Exercise / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology; D010809:Physical Fitness / Q000502:physiology*; D012307:Risk Factors; D006113:United Kingdom; D014481:United States