Prospective investigation of positron emission tomography in lung nodules (PIOPLN). - Lowe,V.J.; Fletcher,J.W.; Gobar,L.; Lawson,M.; Kirchner,P.; Valk,P.; Karis,J.; Hübner,K.; Delbeke,D.; Heiberg,E.V.; Patz,E.F.; Coleman,R. (J Clin Oncol, 1998)