P. Kramers

Osteopetrosis in cats

J. Cordey, B. Rahn, M. Flückiger, 1988 .

A Paradigm of Delayed Union and Nonunion in the Lumbosacral Joint: A Study of Motion and Bone Grafting of the Lumbosacral Spine in Sheep

J. Cordey, S. Perren, B. Rahn, 1991, Spine.

Bending Strength of Operatively Stabilized Fractures Under the Influence of Bisphosphonates

Stephan M. Perren, P. C. Kramers, Berton A. Rahn, 1987 .