title: Adolphe Vorderman's 1897 study on beriberi: an example of scrupulous efforts to avoid bias.
authors.affiliation: Department of Clinical Epidemiology, Leiden University Hospital, Leiden University Medical Center, CO-P, PO Box 9600, 2300 RC Leiden, The Netherlands. j.p.vandenbroucke@lumc.nl
authors.forename: Jan P
authors.initials: JP
authors.lastname: Vandenbroucke
mesh_terms: D001602:Beriberi / Q000209:etiology / Q000266:history*; D015982:Bias; D049672:History, 19th Century; D006801:Humans; D011330:Prisons; D013831:Thiamine / Q000266:history* / Q000378:metabolism; D013832:Thiamine Deficiency / Q000150:complications* / Q000266:history*
chemical_list: D013831:Thiamine