http://www.ahrq.gov/downloads/pub/evidence/pdf/nutrition/nutrtp1.pdf

AHRQ Publication which objective is to describe the steps for performing systematic reviews and highlight areas unique to the discipline of nutrition important to consider in data assessment. Steps involved in generating systematic reviews include identifying staffing and planning for outside expert input, forming a research team, developing an analytic framework, developing and refining research questions, defining eligibility criteria, identifying search terms, screening abstracts according to eligibility criteria, retrieving articles for evaluation, constructing evidence and summary tables, assessing methodological quality and applicability, and synthesizing results including performing meta-analysis, if appropriate.