共 10 条
[1]
DOWNS-SYNDROME - RECENT TRENDS IN THE UNITED-STATES
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1981, 246 (07)
:758-760
[2]
BRENT RL, 1985, PREVENTION PHYSICAL
[4]
EDMONDS LD, 1985, CDC SURVEILLANCE SUM, V34, pSS1
[5]
MORTENSEN ML, OBSTETRICS NORMAL PR
[6]
SHEPARD TH, 1983, CATALOGUE TERATOGENI
[7]
WINDHAM GC, 1982, PEDIATRICS, V70, P333
[8]
CONGENITAL MALFORMAT
[9]
1984, MONTHLY VITAL STAT S, V33
[10]
1986, MMWR, V35, P97