[REONTGENOGRAPHIC TEST FOR DETERMINING THE HEALTH HAZARD OF MINES IN THE OSTRAVA-KARVINN'A COAL BASIN (OKR)].
D003031:Coal; D003604:Czechoslovakia; D006801:Humans; D008906:Mining; D011009:Pneumoconiosis; D013902:Radiography, Thoracic
D003031:Coal
CZECHOSLOVAKIA; MINING; PNEUMOCONIOSIS; THORACIC RADIOGRAPHY
RENTGENOGRAFICK'Y TEST OFENZIVITY DOLU OSTRAVSKO-KARVINSK'EHO UHELN'EHO REV'IRU(OKR)