Hossain, M. M., N. Ghanem, M. Hoelker, F. Rings, C. Phatsara, E. Tholen, K. Schellander, and D. Tesfaye,  "Identification and characterization of miRNAs expressed in the bovine ovary",  BMC genomics, vol. 10, issue 1: BioMed Central, pp. 1, 2009.