- gov. 2018-08-21.
Retrieved 2018-11-20.
Campbell KH,
Savitz D,
Werner EF,
Pettker CM,
Goffman D,
Chazotte C,
Lipkind HS (September 2013). "Maternal morbidity...
- 34 (1): 99–100. doi:10.1111/j.1523-536X.2006.00155_1.x. PMID 17324187.
Pettker, C.; Funai, E (2007). "Letter:
Neonatal Mortality for Low-Risk
Women by...
- Blackwell, Sean; Louis,
Judette M.; Norton, Mary E.; Lappen,
Justin R.;
Pettker,
Christian M.; Kaimal, Anjali; Landy, Uta; Edelman, Alison; Teal, Stephanie;...