Dyfyniad APA

Collins, G., & Altman, D. (2009). QRISK validation and evaluation Authors' reply.

Dyfyniad Arddull Chicago

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.

Dyfyniad MLA

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.

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