R. Balu

发表

D. Savitz, W. Miller, J. Thorp, 2001, American journal of obstetrics and gynecology.

J. Feinberg, G. Fusco, S. Becker, 2004, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

J. Kuller, R. Strauss, M. McMahon, 2003, American journal of obstetrics and gynecology.