M. O'hara

发表

B. Bekemeier, A. Ritzen, D. Johnson, 2009 .

K. Kemper, M O'Hara, D Kiefer, 1998, Archives of family medicine.

P. Simkin, M. O'hara, 2002, American journal of obstetrics and gynecology.

E. Declercq, C. Sakala, M. O'hara, 2009, American journal of public health.

E. Declercq, C. Sakala, M. O'hara, 2009, American journal of public health.