TY - BOOK AU - World Health Organization TI - Ports:designated in application of the international health regulations: situtation as on 1 April 1992 SN - 92 4 058013 1 U1 - WA110 PY - 1992/// CY - Geneva PB - W H O KW - Lutte Contre Maladie Contagieure N2 - Lutte Contre Maladie Contagieure ER -