1. Guidelines for perinatal care,1997
2. The new midwifery: science and sensitivity in practice;Page,2000
3. A second child-death case begins in Texas as the first proceeds;Yardley;New York Times,2001
4. Health problems after childbirth;Albers;J Midwif Women Health,2000
5. Midwifery and childbirth in America;Rooks,1997