[Expert testimony on silicosis with special reference to emphysema and bronchitis].
D001991:Bronchitis / Q000331:legislation & jurisprudence*; D004646:Emphysema; D005104:Expert Testimony; D006801:Humans; D011656:Pulmonary Emphysema / Q000331:legislation & jurisprudence*; D012829:Silicosis / Q000331:legislation & jurisprudence*
BRONCHITIS/jurisprudence; PULMONARY EMPHYSEMA/jurisprudence; SILICOSIS/jurisprudence