A cost savings analysis of asynchronous teledermatology compared to face-to-face dermatology in Catalonia . Vidal-Alaball J , Garcia Domingo JL, Garcia Cuyàs F, Mendioroz Peña J, Flores Mateo G, Deniel Rosanas J, Sauch Valmaña G. BMC Health Serv Res. 2018 Aug 22;18(1):650. Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency . Wang H, Li L, Qin LL, Song Y, Vidal-Alaball J , Liu TH. Cochrane Database Syst Rev. 2018 Mar 15;3:CD004655. Evaluation of the impact of teledermatology in decreasing the waiting list in the Bages region (2009-2012) . Vidal-Alaball J , Álamo-Junquera D, López-Aguilá S, García-Altés A. Aten Primaria. 2015 May;47(5):320-1. Reduced serum vitamin B-12 in patients taking metformin . Vidal-Alaball J , Butler CC. BMJ. 2010 May 20;340:c2198. Clinical aspects of cobalamin deficiency in elderly patients . Epidemiology, causes, clinical manifestations, and treatment with special focus on oral cobalamin therapy. Andrès E, Vidal-Alaball J , ...