Karen C. Ramstrom
发表
Lissa Pressfield,
M. Campa,
Karen C. Ramstrom,
2020,
Maternal and Child Health Journal.
Marie Bottomley Hartel,
Angela M. Miller,
Morgan F. McDonald,
2017,
MMWR. Morbidity and mortality weekly report.
A. Baron,
L. Crane,
J. Shlay,
2002,
Perspectives on sexual and reproductive health.