W. Penn

发表

E. Clarkson, K. G. Koutsaimanis, H. D. de Wardener, 1974, Clinical science and molecular medicine.

P. Hessburg, J. Truant, W. Penn, 1962 .

P. Hessburg, J. Truant, W. Penn, 1966, American journal of ophthalmology.

A. K. Waters, W. Penn, 1977, Clinical endocrinology.