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Analysis of 69 References:

1967 (1) 1968 (1) 1970 (1) 1974 (2) 1977 (1) 1986 (2) 1987 (1) 1990 (1) 1991 (1) 1993 (3) 1996 (3) 1997 (4) 1998 (2) 1999 (1) 2000 (3) 2001 (4) 2002 (11) 2003 (5) 2004 (5) 2005 (10) 2006 (6) 2007 (1)
1960     1970       1980       1990        2000

Introduction (19)
Methods (5)
Results (33)
Discussion (36)
63articles
3reports
2theses
1book

Sources Sources    Authors Authors
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
Nature (1)   26.681
Lancet (3)   25.800
JAMA (1)   23.175
Arch Gen Psychiatry (4)   13.936
BMJ (8)     9.245
Am J Epidemiol (1)     5.241
Pediatrics (1)     5.012
Schizophr Bull (1)     4.352
J Pers Soc Psychol (1)     4.223
Addiction (7)     4.088
Psychol Med (1)     3.816
Dev Psychopathol (1)     2.709
39 others