• Alkaloid contents in members of Lycopodiales 

      Tamayo Castillo, Giselle; Romero Chacón, Rosaura María; Rosales Ovares, Kattia; Jiménez Ardón, Allan Miguel; Jiménez Somarribas, Alberto; Montenegro, Héctor; Rodríguez Arrieta, Jesús Alexander; Vargas, Luis Diego (2001)
      The composition of alkaloids in fifteen species that belong to the Lycopodiales, which grow wild in Costa Rica were analysed by gas chromatography coupled with mass spectrometry. Several alkaloids were identified, ...
    • Medicinal plants popularly used for gastrointestinal disorders in Costa Rican Central Valley 

      Tamayo Castillo, Giselle; Romero Chacón, Rosaura María; Rosales Ovares, Kattia; Vargas, Luis Diego (2004)
      Abstract : A survey was conducted of medicinal plants for gastrointestinal disorders used by inhabitants of the Central Valley in Costa Rica by means of interviews with medicinal plant vendors of the central markets of the ...