title: From observation to experimentation at the cotside: lessons from the past.
authors.affiliation: University Hospital and Kinderspital, Zurich, Switzerland.
authors.forename: G
authors.initials: G
authors.lastname: Duc
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D007231:Infant, Newborn; D015931:Intensive Care, Neonatal; D010372:Pediatrics