title: Comparison of the number of neonatologists in different countries not valid.
authors.forename: I M
authors.initials: IM
authors.lastname: Ratner
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D015931:Intensive Care, Neonatal / Q000191:economics; D009359:Neonatology; D000078329:Workforce