Public health reports. Bol.34, December 5, 1919, no. 49 reprint: Coordination and expansion of Federal health activities by B.S. Warren, Assistant surgeon general, United States Public Health Service
Public health reports. Bol.34, December 5, 1919, no. 49 reprint: Coordination and expansion of Federal health activities by B.S. Warren, Assistant surgeon general, United States Public Health Service