Grant, K.R. & Campbell, T.W. & Silver, T.I. & Olea-Popelka, F.J. (2013)
Validation of an Ultrasound-Guided Technique to Establish a Liver-to-Coelom Ratio and a Comparative Analysis of the Ratios Among Acclimated and Recently Wild-Caught Southern Stingrays, Dasyatis americana. Zoo Biology, 32(1), 104–111
DOI: 10.1002/zoo.21014