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5. \<\;bib\ id\=\"bib4\"\>\;\<\;number\>\;4\.\<\;\/number\>\;\\\BERNAL\-DELGADO\<\/span\>\,\ \Enrique\ y\ ORTUN\-RUBIO\<\/span\>\<\/span\>\<\/aug\>\,\ Vicente\.\ La\ calidad\ del\ Sistema\ Nacional\ de\ Salud\:\ base\ de\ su\ deseabilidad\ y\ sostenibilidad\.\ \Gac\ Sanit\<\/i\>\ \[online\]\.\ \2010\<\/span\>\,\ vol\.24\,\ n\.3\ \[citado\ 2022\-11\-08\]\,\ pp\.254\&\#8211\;258\.\ Disponible\ en\:\ \<\;\http\:\/\/scielo\.isciii\.es\/scielo\.php\?script\=sci_arttext\<\/span\>\&pid\=S0213\-91112010000300015\&lng\=es\&nrm\=iso\>\;\.\ ISSN\ 0213\&\#8211\;9111\.\<\;\/bib\>\;\<\/p\>