title: Reflections about a friend.
authors.affiliation: Department of Pediatrics, University of Iowa Hospital and Clinics, Iowa City 52242-1083, USA.
authors.forename: H A
authors.initials: HA
authors.lastname: Hein
mesh_terms: D003120:Colorado; D049673:History, 20th Century; D010500:Perinatology / Q000266:history