共 8 条
[1]
FEDRICHGOLDING J, 1979, PERINATAL MED
[2]
HERRON MA, 1982, OBSTET GYNECOL, V59, P452
[3]
KALTREIDER F, 1980, CLIN OBSTET GYNECOL, V23, P17
[4]
THE CHANGING PATTERN OF LOW-BIRTH-WEIGHT IN THE UNITED-STATES - 1970 TO 1980
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1984, 251 (15)
:1978-1982
[6]
PAPIERNIK E, 1985, PEDIATRICS, V76, P154
[8]
1972, DHEW NIH73379 PUBL