title: J. J. R. Macleod: the co-discoverer of insulin.
authors.forename: M J
authors.initials: MJ
authors.lastname: Williams
mesh_terms: D002170:Canada; D003920:Diabetes Mellitus / Q000266:history*; D049711:History, Modern 1601-; D007328:Insulin / Q000266:history*; D006113:United Kingdom
chemical_list: D007328:Insulin