JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH
journal52611
E091701
GB
0143-005X
English
Rivista
BMJ / British Medical Journal Publishing Group:PO Box 299, London WC1H 9TD United Kingdom:011 44 20 73836270, EMAIL: subscriptions@bmjgroup.com, INTERNET: http://www.bmjpg.com/bmj, Fax: 011 44 20 73836402
1979
can
restricted
false