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Citation: A. Usubillaga et al., Essential oil from the leaves of Aristolochia odoratissima L., J ESSEN OIL, 13(2), 2001, pp. 128-129

Authors: Aparicio, R Romero, M Rojas, LB Khouri, N Usubillaga, A

Citation: R. Aparicio et al., Composition of the essential oil of four species of Ruilopezia from the Venezuelan Andes, FLAV FRAG J, 16(3), 2001, pp. 172-174

Authors: Usubillaga, A Aparicio, R Romero, M Rojas, LB Khouri, N

Citation: A. Usubillaga et al., Volatile constituents from the leaves of four Libanothamus species from the Venezuelan Andes, FLAV FRAG J, 16(3), 2001, pp. 209-211

Authors: Mora, AJ Delgado, G de Delgado, GD Usubillaga, A Khouri, N Bahsas, A

Citation: Aj. Mora et al., 3 alpha-Hydroxytirucalla-7,24-dien-21-oic acid: a triterpene from Protium crenatum Sandwith, ACT CRYST C, 57, 2001, pp. 638-640

Authors: Khouri, N Usubillaga, A Rojas, LB Galarraga, F

Citation: N. Khouri et al., The essential oil of Espeletia weddellii Sch Bip. ex Wedd., FLAV FRAG J, 15(4), 2000, pp. 263-265

Authors: Lespargot, A Robert, M Khouri, N

Citation: A. Lespargot et al., Stretching the triceps surae muscle after 40 degrees C warming in patientswith cerebral palsy, REV CHIR OR, 86(7), 2000, pp. 712-717