BITING FLY CONTROL AT CANADIAN SERVICE INSTALLATIONS.
D000818:Animals; D001359:Aviation; D002170:Canada; D003634:DDT; D004175:Diptera; D004478:Ectoparasitic Infestations; D004738:Engineering; D006801:Humans; D007300:Insect Control; D007302:Insect Repellents; D008886:Military Hygiene; D009032:Mosquito Control
D007302:Insect Repellents; D003634:DDT
AVIATION; CANADA; DDT; DIPTERA; ENGINEERING; INSECT CONTROL; INSECT REPELLENTS; MILITARY HYGIENE; MOSQUITO CONTROL