PRINCIPLES 553,817 Principles and methods for assessing allergic hypersensitization associated with exposure to chemicals / [IPCS International Programme on Chemical Safety]. - Geneva : World Health Organization, 1999. - XXIV, 399 s. : il. ; 21 cm. - (Environmental Health Criteria / WHO, ISSN 0250-863X ; 212) Bibliogr. s. 326-391 ISBN 92-4-157212-4