Source:
International journal of epidemiology [Int J Epidemiol] 1998 Oct; Vol. 27 (5), pp. 916-25.Publisher: Oxford University Press Country of Publication: England NLM ID: 7802871 Publication Model: Print Cited Medium: Print ISSN: 0300-5771
Source:
International journal of epidemiology [Int J Epidemiol] 1998 Oct; Vol. 27 (5), pp. 909-15.Publisher: Oxford University Press Country of Publication: England NLM ID: 7802871 Publication Model: Print Cited Medium: Print ISSN: 0300-5771
Source:
The Medical journal of Australia [Med J Aust] 1996 Aug 19; Vol. 165 (4), pp. 234.Publisher: Australasian Medical Publishing Co Country of Publication: Australia NLM ID: 0400714 Publication Model: Print Cited Medium: Print ISSN: