Authors: JORNA THJM BORM PJA LENAERTS L SCHINS RPF DERHAAG T WOUTERS EFM

Citation: Thjm. Jorna et al., AIRWAY-OBSTRUCTION IN RETIRED COAL-WORKERS IS PRESENT AT EARLY STAGESOF PNEUMOCONIOSIS, The American review of respiratory disease, 147(4), 1993, pp. 902-902