Schünemann, H. J., Best, D., Vist, G., & Oxman, A. D. (2003). Letters, numbers, symbols and words: How to communicate grades of evidence and recommendations.
Chicago Style citaatSchünemann, Holger J., Dana Best, Gunn Vist, en Andrew D. Oxman. Letters, Numbers, Symbols and Words: How to Communicate Grades of Evidence and Recommendations. 2003.
MLA citatieSchünemann, Holger J., Dana Best, Gunn Vist, en Andrew D. Oxman. Letters, Numbers, Symbols and Words: How to Communicate Grades of Evidence and Recommendations. 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.