1. Post-mortem spermatozoa recovery and freezing in a Cantabric brown bear (Ursus arctos): a preliminary report;Anel;Theriogenology,1999
2. Effect of post-mortem interval on quality of epididymal spermatozoa in Iberian red deer (Cervus elaphus hispanicus);Anel;Theriogenology,2002a
3. Anel L Martinez-Pastor F Anel E Alvarez M Martinez F Borragan S Celada M Boixo J Herraez P Paz P 2002b Evaluation of urospermia in European brown bear ( Ursus arctos ) electroejaculation The Second International Symposium on Assisted Reproductive Technology (ART) for the Conservation and Genetic Management of Wildlife
4. Computerized analysis of sperm motility in European brown bear (Ursus arctos) semen;Anel;Theriogenology,2003
5. Sperm cryopreservation in brown bear (Ursus arctos): preliminary aspects;Anel;Reprod Domest Anim,2008