Development and evaluation of an automatic collimator for medical diagnostic X-ray machines, by Ray L. Walchle, Harold F. Stewart [and] Joseph M. MorelRay L. Walchle, Joseph M. Morel, Harold F. Stewart · First published 1968Open the Tome
Cases from the practice of Stewart L. McCurdy, M.D. ... Pittsburg, PaStewart L. McCurdy · First published 1908Open the Tome