TY - JOUR AU - Gestal Otero, Juan PY - 2014 SN - 0956-7135 UR - http://hdl.handle.net/20.500.11940/8258 LA - eng TI - Knowledge on food hygiene of food service staff working in nursing homes and kindergartens in Porto region - Portugal DO - 10.1016/j.foodcont.2014.01.037 T2 - FOOD CONTROL M2 - 54 VL - 42 ER -