Authors: Raggi, LA Ferrando, G Parraguez, VH MacNiven, V Urquieta, B

Citation: La. Raggi et al., Plasma progesterone in alpaca (Lama pacos) during pregnancy, parturition and early postpartum, ANIM REPROD, 54(4), 1999, pp. 245-249

Authors: Paolicchi, F Urquieta, B Del Valle, L Bustos-Obregon, E

Citation: F. Paolicchi et al., Biological activity of the seminal plasma of alpacas, stimulus for the production of LH by pituitary cells, ANIM REPROD, 54(3), 1999, pp. 203-210

Authors: Rodriguez, A Rojas, MA Bustos-Obregon, E Urquieta, B Regadera, J

Citation: A. Rodriguez et al., Distribution of keratins, vimentin, and actin in the testis of two South American camelids: Vicuna (Vicugna vicugna) and Llama (Lama glama). An immunohistochemical study, ANAT REC, 254(3), 1999, pp. 330-335