Schünemann, H. J., Fretheim, A., & Oxman, A. D. (2006). Improving the use of research evidence in guideline development: 9. Grading evidence and recommendations. BioMed Central.
Παραπομπή Chicago StyleSchünemann, Holger J., Atle Fretheim, και Andrew D. Oxman. Improving the Use of Research Evidence in Guideline Development: 9. Grading Evidence and Recommendations. BioMed Central, 2006.
Παραπομπή MLASchünemann, Holger J., Atle Fretheim, και Andrew D. Oxman. Improving the Use of Research Evidence in Guideline Development: 9. Grading Evidence and Recommendations. BioMed Central, 2006.
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