546,042 PENICILLIN Penicillin allergy : workshop. - Uppsala : Masskorsband Tjanste Socialstyrelsens Lakemedelsavdelning, 1988. - 82 s. : wykr. ; 22 cm (National Board of Health and Welfare Drug Information Committee, ISSN 0281-4975 ; 1988 : 3) ISBN 01-38-09936-5