Informazioni generali

JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH  

journal52702  

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  

can  

restricted  

restricted  

restricted  

restricted