Efficacy and safety of caspofungin for treatment of invasive aspergillosis in patients refractory to or intolerant of conventional antifungal therapy. - Maertens,J.; Raad,I.; Petrikkos,G.; Boogaerts,M.; Selleslag,D.; Petersen,F.B.; Sable,C.A.; Kartsonis,N.A.; Ngai,A.; Taylor,A.; Patterson,T.F.; Denning,D.W.; et al. (Clin Infect Dis, 2004)