Letitia Williams

发表

Letitia M Williams, C. Bish, L. Gavin, 2013, Maternal and Child Health Journal.

Denise V. D’Angelo, I. Ahluwalia, Leslie L. Harrison, 2012, Maternal and Child Health Journal.

Brian Morrow, Denise V. D’Angelo, Leslie L. Harrison, 2012, Maternal and Child Health Journal.

A. Lansky, B. Morrow, P. Braveman, 2004, Morbidity and mortality weekly report. Surveillance summaries.

Sarah C. Haight, S. Cox, Jean Y. Ko, 2020, MMWR. Morbidity and mortality weekly report.

W. Callaghan, Letitia M Williams, N. Whitehead, 2009, Maternal and Child Health Journal.