Levels of pleural fluid white blood cells(WBC, cells·mm-3) and neutrophils (% N) in talc-injected (200 mg·kg-1) rabbits after 6, 24 and 48 h
Data are presented as mean±sd. #: significantly >24 h, p<0.05; ¶: significantly >48 h, p<0.05; +: significantly >48 h, p<0.001.