Activity of the Lichen Usnea steineri and its major metabolites against gram-positive, multidrug-resistant bacteria - Tozatti, Marcos G.; Ferreira, Daniele S.; Flauzino, Lúzio G. Bocalon; Moraes, Thaís da Silva; Martins, Carlos H. G.; Groppo, Milton; Silva, Márcio Luis Andrade e; Januário, Ana Helena; Pauletti, Patrícia Mendonça; Cunha, Wilson Roberto (Natural Product Communications, 2016)