Bernard Desmond Challenor (July 24, 1936 – March 15, 2000) was a public health professional and professor at the Mailman School of Public Health at Columbia University.
Bernard Desmond Challenor (July 24, 1936 – March 15, 2000) was a public health professional and professor at the Mailman School of Public Health at Columbia University. (en)
Bernard Desmond Challenor (July 24, 1936 – March 15, 2000) was a public health professional and professor at the Mailman School of Public Health at Columbia University. (en)
World Health Organization, United States Public Health Service, Centers for Disease Control and Prevention, Boston Department of Health and Hospitals, Columbia University (en)