Authors: Azofeifa, J Ruiz, E Barrantes, R

Citation: J. Azofeifa et al., Blood group, red cell, and serum protein variation in the Cabecar and Huetar, two Chibchan Amerindian tribes of Costa Rica, AM J HUM B, 13(1), 2001, pp. 57-64

Authors: Leal, A Morera, B Del Valle, G Heuss, D Kayser, C Berghoff, M Villegas, R Hernandez, E Mendez, M Hennies, HC Neundorfer, B Barrantes, R Reis, A Rautenstrauss, B

Citation: A. Leal et al., A second locus for an axonal form of autosomal recessive Charcot-Marie-Tooth disease maps to chromosome 19q13.3, AM J HU GEN, 68(1), 2001, pp. 269-274

Authors: Deka, R Shriver, MD Yu, LM Heidreich, EM Jin, L Zhong, YX McGarvey, ST Agarwal, SS Bunker, CH Miki, T Hundrieser, J Yin, SJ Raskin, S Barrantes, R Ferrell, RE Chakraborty, R

Citation: R. Deka et al., Genetic variation at twentythree microsatellite loci in sixteen human populations, J GENETICS, 78(2), 1999, pp. 99-121

Authors: Sasa, M Barrantes, R

Citation: M. Sasa et R. Barrantes, Allozyme variation in populations of Bothrops asper (Serpentes : Viperidae) in Costa Rica, HERPETOLOGI, 54(4), 1998, pp. 462-469