title: William Elmhirst 1721-1773: surgeon-apothecary--and medical frontiersman.
authors.forename: E M
authors.initials: EM
authors.lastname: Sigsworth
mesh_terms: D013502:General Surgery / Q000266:history*; D000077406:History of Pharmacy; D049711:History, Modern 1601-; D008511:Medicine; D006113:United Kingdom