N. Walker

发表

D. K. Roberts, N. Walker, L. A. Lavia, 1988, American journal of obstetrics and gynecology.

D. K. Roberts, T. Parmley, N. Walker, 1996, American journal of obstetrics and gynecology.

N. Walker, B. S. Smith, B. S. Smith, 1992, Teratology.

D. K. Roberts, T. Parmley, N. Walker, 1994, American journal of obstetrics and gynecology.

D. K. Roberts, T. Parmley, T. Parmley, 1992, American journal of obstetrics and gynecology.

N. Walker, B. S. Smith, B. S. Smith, 1990, Teratology.

D. K. Roberts, N. Walker, L. A. Lavia, 1989, International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists.

D. K. Roberts, N. Walker, D. Horbelt, 1986, Human Pathology.

D. K. Roberts, N. Walker, D. Horbelt, 1984, Contraception.