The essentials of first aid / St John Ambulance. - 5th ed. - London: St John Ambulance Association, 1992. - 128 p. chiefly ill. 21 cm. ISBN: 0900700440 Nat. Bib. No.: B72-28523 Subjects--Topical Terms: First aid in illness and injury.First aid. LC Class. No.: RC87 / .E43 1992 Dewey Class. No.: 614.8/8 National Library of Medicine Call No.: WA292 S243e 1972