共 15 条
[1]
DWYER JF, 1974, AM J OBSTETR GYNECOL, V118, P195
[2]
ERKAN K A, 1971, Maryland State Medical Journal, V20, P50
[4]
JANSSON I, 1963, LAKARTIDNINGEN, V60, P2040
[5]
MARHOLEV K, 1975, LAKARTIDNINGEN, V72, P1212
[6]
*NAT CENTR BUR STA, 1974, STAT ABSTR SWED
[7]
*NAT CENTR BUR STA, 1946, STAT ABSTR SWED
[8]
TEEN-AGE BIRTHS - SOME SOCIAL, PSYCHOLOGICAL, AND PHYSICAL SEQUELAE
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1971, 61 (04)
:751-&
[10]
OSOFSKY HJ, 1968, PREGNANT TEENAGER