text Pan American Health Organization 1993 N vi, 76 hlm. 28 cm disease control 614.44 614.44 Fre b 9275-13034-5 INLIS000000000001412 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)