title: Commentary: That was then, this is now.
authors.affiliation: London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK.
authors.forename: N
authors.initials: N
authors.lastname: Black
mesh_terms: D005060:Europe / Q000453:epidemiology; D049672:History, 19th Century; D006801:Humans; D008096:Lithotripsy / Q000266:history; D013223:Statistics as Topic / Q000266:history*; D001744:Urinary Bladder Calculi / Q000453:epidemiology / Q000209:etiology / Q000266:history / Q000628:therapy*