Effect of Brazilian green propolis on the production of reactive oxygen species by stimulated neutrophils - Simões, Lívia Maria Cordeiro; Gregório, Luís Elídio; Silva Filho, Ademar Alves da; Souza, Márcia Lopes de; Azzolini, Ana Elisa Caleiro Seixas; Bastos, Jairo Kenupp; Lucisano-Valim, Yara Maria (Journal of Ethno-pharmacology, 2004)