TY - BOOK ED - World Health Organization. TI - Voyages internationaux et santé: situation au 1er janvier 2012 SN - 9789242580471 SN - 1010-0342 PY - 2012/// CY - Genève PB - Organisation mondiale de la Santé, KW - Communicable disease control KW - Travel KW - Vaccination KW - standards KW - Risk factors N1 - Electronic versions available for sale only; Issued annually; Library has earlier editions in its archives; 2004 ed. published only electronically ER -