National Environmental Research Center,

Williams & Wilkins,

Armed Forces Institute of Pathology ; under the auspices of Universities Associated for Research and Education in Pathology,

Published by the Armed Forces Institute of Pathology ; under the auspices of the Universities Associated for Research and Education in Pathology,

Published by the Armed Forces Institute of Pathology ; under the auspices of Universities Associated for Research and Education in Pathology, Inc.,

W.B. Saunders Company,

Armed Forces Institute of Pathology : Available from the American Registry of Pathology, Armed Forces Institute of Pathology,

Films for the Humanities & Sciences,

Cerenex Pharmaceuticals,

Films for the Humanities & Sciences,

Saunders,