"Health officers." . . "Academy of Health Sciences." . . "Medical personnel In-service training." . . . . . . . "Environmental health specialist : soldier's manual"@en . . . . . . . . . . . . . . . . . "Soldier's manual : environmental health specialist"@en . . "Soldier's manual : environmental health specialist" . . . "Military hygiene." . . . . "Armed Forces Sanitary affairs." . . "United States. Department of the Army." . . "United States. Army" . . "United States. Army." .