title: A critique of survey methods used to measure the occurrence of osteomalacia and rickets in the United Kingdom.
mesh_terms: D000328:Adult; D002648:Child; D004812:Epidemiologic Methods; D006801:Humans; D010018:Osteomalacia / Q000175:diagnosis / Q000453:epidemiology*; D012279:Rickets / Q000175:diagnosis / Q000453:epidemiology*; D012494:Sampling Studies; D006113:United Kingdom