Some risk factors of coronary heart disease in miners of a new coal mining area - Tomaszewski, Jeremiasz J.; Hanzlik, Janusz; Woźniak, Krystyna; Donica, Helena; Kozak, Justyna; Szarugiewicz-Portala, Anna; Śpiewak, Barbara; Ulmer, Wolfgang T. (Nofer Institute of Occupational Medicine)