J. Shaffer

发表

S. Akhavan, J. Shaffer, 2003 .

J. Shaffer, 1946, Journal of the American Medical Association.

P. C. Lombardo, E. Levit, D. R. Foitl, 2000, Cutis.

E. Gardner, C. M. Woolf, J. Shaffer, 1953, Journal of the National Cancer Institute.

J. Shaffer, B. DiGiovanni, 1995, American journal of orthopedics.