<style face="normal" font="default" size="100%">Competence and certification of registered nurses and safety of patients in intensive care units.</style>

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0<style face="normal" font="default" size="100%">Competence and certification of registered nurses and safety of patients in intensive care units.</style><style face="normal" font="default" size="100%">Competence and certification of registered nurses and safety of patients in intensive care units.</style>