SciELO Portugal - www.scielo.mec.pt

SciELO Portugal - www.scielo.mec.pt

Links

Liberati, A. Det al (2009). The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Medicine 6 (7). doi: 10.1371/journal.pmed.1000100.

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