The Lancet - London; Elsevier - Weekly - Periodical - Vol. 378,Nos.9803-9808 (2011),Vol. 380,Nos.9840-9859 (2013),Vol.381,Nos.9860-9862 (2013) ISSN: 0140-6736 Subjects--Topical Terms: Medicine-Periodical LC Class. No.: R31.L3