_:vb50949536 . _:vb50949536 . _:vb50949536 . _:vb50949536 "A pneumonia accompanied by inflammation of the pleura and accumulation of pus in the pleural space caused by bacteria."^^ . _:vb50949536 . _:vb50949536 "url:http://www.merck.com/mmhe/sec04/ch052/ch052b.html?qt=pleural%20pneumonia&alt=sh"^^ . _:vb50949536 "url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=pleuropneumonia"^^ . _:vb50949536 . _:vb50949536 .