1.
Kucharczyk D, Żarski D, Krejszeff S, et al. Use of an ultrasound device to determine sex and to perform gonad biopsy in the European eel Anguilla Anguilla. Braz. J. Vet. Res. Anim. Sci. 2016;53(2):199-206. doi:10.11606/issn.1678-4456.v53i2p199-206