title: Pinning down history.
authors.forename: Steve
authors.initials: S
authors.lastname: Ainsworth
mesh_terms: D004867:Equipment Design / Q000266:history; D005197:Famous Persons; D049672:History, 19th Century; D006801:Humans; D015370:Infant Equipment / Q000266:history*; D008880:Midwifery / Q000266:history*; D014481:United States