title: Address unknown--or at least uncertain.
authors.forename: J J
authors.initials: JJ
authors.lastname: McGurran
mesh_terms: D001724:Birth Weight; D003625:Data Collection / Q000379:methods; D004812:Epidemiologic Methods; D006801:Humans; D007226:Infant Mortality / Q000639:trends; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D009864:Ontario / Q000453:epidemiology; D011159:Population Surveillance; D014798:Vital Statistics