论文信息 - Trends in twin birth outcomes and prenatal care utilization in the United States, 1981-1997. - 字舞流文

Trends in twin birth outcomes and prenatal care utilization in the United States, 1981-1997.

J. A. Martin | J. Martin | M. Kogan | M. Kotelchuck | P. Buekens | G. Alexander | E. Papiernik | M. MacDorman | J. Martin | J. A. Martin