Chemical composition of leaf essential oils of Calyptranthes microphylla B. Holts & ML, Myrcia aff fosteri Croat and Eugenia octopleura Krug & Urb from Panama - Tenorio, A IS; Vargas, D; Espinosa, A; Diaz, A; Gupta, M P (J Essent Oil Res, 2011)