Local health systems in the Americas : An ongoing social strategy text PAHO 1993 N vi, 26 hlm. 25 cm health systems planspublic health 362.109 7 362.109 7 Pan l 9275120536 INLIS000000000005877 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)