By Richard E. Behrman, Robert M. Kliegman, Hal B. Jenson
By Robert M. Kliegman, Richard E. Behrman, Hal B. Jenson, Bonita Stanton, M. D.
By Waldo E. Nelson, Richard E. Behrman, etc.
By Waldo E. Nelson, Victor C. Vaughan, Richard E. Behrman
