Ingested Nitrate and Breast Cancer in the Spanish Multicase-Control Study on Cancer (MCC-Spain).

This study was funded by the “Accion Transversal del Cancer del Consejo de Ministros del 11/10/2007” from the “Instituto de Salud Carlos III-FEDER” (PI08/1770, PI08/0533, PI11/00226), ISCIII FIS Ph.D. program from the “Agencia de Gestio d’Ajuts Universitaris i de Recerca (AGAUR FI-DGR 2013) Generalitat de Cataluna.”