Collins, G., & Altman, D. (2010). An independent and external validation of QRISK2 cardiovascular disease risk score: A prospective open cohort study.
Παραπομπή σε μορφή Chicago (17η εκδ.)Collins, G., και D. Altman. An Independent and External Validation of QRISK2 Cardiovascular Disease Risk Score: A Prospective Open Cohort Study. 2010.
Παραπομπή σε μορφή MLA (9th εκδ.)Collins, G., και D. Altman. An Independent and External Validation of QRISK2 Cardiovascular Disease Risk Score: A Prospective Open Cohort Study. 2010.
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