"Accidents, Occupational." . . . . . . . . . . . . . . . . . "Dangerous chemicals : emergency first aid guide" . "Dangerous chemicals" . . "Dangerous chemicals : emergency first aid guide"@en . . . . . . . . . "Dangerous chemicals emergency first aid guide" . "Dangerous chemicals emergency first aid guide"@en . "Dangerous chemicals: emergency first aid guide" . . . . "New Cross Hospital (London, England). Guy's Poison Unit." . . "First aid." . . "Poisoning." . . . .