JAMA
journal42798
E088714
US
0098-7484
English:(French and Spanish)
Rivista
American Medical Association:515 North State Street:Chicago, IL 60610:(800)262-2350, (312)464-2518, EMAIL: [email protected], INTERNET: http://www.ama-assn.org, Fax: (312)464-5600
1960
cannot
can
restricted
false