Sesquiterpene lactone from Wunderlichia crulsiana inhibits the respiratory burst of leukocytes triggered by distinct biochemical pathways - Nunez, Cecília Verônica; Zacheu, Fabíola Maria; Pinto, Ernani; Roque, Nidia Franca; Colepicolo, Pio; Brigagão, Maisa Ribeiro Pereira Lima (Life Sciences, 2003)