_:vb50946795 . _:vb50946795 . _:vb50946795 "A pleural disease that is characterized by inflammation of the pleura, the lining of the pleural cavity surrounding the lungs."^^ . _:vb50946795 . _:vb50946795 "url:http://en.wikipedia.org/wiki/Pleurisy"^^ . _:vb50946795 "url:http://www.merck.com/mmhe/sec04/ch052/ch052b.html#sb052_2"^^ . _:vb50946795 . _:vb50946795 . _:vb50946795 .