Kozhimannil KB, Hardeman RR, Attanasio LB, Blauer-Peterson C, O'Brien M. Doula care, birth outcomes, and costs among Medicaid beneficiaries. Am J Public Health. 2013 Apr;103(4):e113-21.
a) Study on prenatal care
b) Doula impact on birth outcomes
c) Medicaid costs for childbirth
d) Public health interventions