Use of low-density lipoprotein cholesterol gene score to distinguish patients with polygenic and monogenic familial hypercholesterolaemia: A case-control study by Talmud, P, Shah, S, Whittall, R, Futema, M, Howard, P, Cooper, J, Harrison, S, Li, K, Drenos, F, Karpe, F, W Neil, H, Descamps, O, Langenberg, C, Langenberg, C, Lench, N, Kivimaki, M, Whittaker, J, Whittaker, J, Hingorani, A, Kumari, M, Humphries, SE, Humphries, SE