Taveira, Francisca S N Seasonal variation in the essential oil of Pilocarpus microphyllus Stapf. [electronic resource] - Anais da Academia Brasileira de Ciencias Mar 2003 - 27-31 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0001-3765 Standard No.: 10.1590/s0001-37652003000100004 doi Subjects--Topical Terms: Oils, Volatile--analysisPilocarpus--chemistryPlant Leaves--chemistryPlant Stems--chemistrySeasons