Drug-resistant Aspergillus flavus is highly prevalent in the environment of Vietnam: a new challenge for the management of Aspergillosis? per Duong, TMN, Nguyen, PT, Van Le, T, Nguyen, HLP, Nguyen, BNT, Nguyen, BPT, Nguyen, TA, Chen, SCA, Barrs, VR, Halliday, CL, Sorrell, TC, Day, JN, Beardsley, J