Title: Triplet births, trends, and outcomes, 1971-94 /
Authors: Martin, Joyce A.,; MacDorman, Marian F.; Mathews, T. J.; National Center for Health Statistics (U.S.)
Publisher: National Center for Health Statistics,
Year: 1997
Subjects: Pregnancy, Multiple; Triplets; Triplets United States Statistics.; Multiple birth United States Statistics.; Triplets statistics.; United States