[Occurrence of pneumonoconiosis in Rush workers in Ningbo city from 2002 to 2004].
Lu
Bei-Bei
BB
Ma
Zao-Hua
ZH
Chen
Heng-Ping
HP
D000328:Adult; D002681:China / Q000453:epidemiology; D019652:Extraction and Processing Industry; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D016273:Occupational Exposure; D011009:Pneumoconiosis / Q000453:epidemiology*; D055815:Young Adult