Ascorbic Acid Biosynthesis and Brackish Water Acclimation in the Euryhaline Freshwater White-Rimmed Stingray, Himantura signifer Wong, Samuel Z. H. ; Ching, Biyun ; Chng, You R. ; Wong, Wai P. ; Chew, Shit F. ; Ip, Yuen K. Abstract Publication: PLoS ONE Pub Date: June 2013 DOI: 10.1371/journal.pone.0066691 Bibcode: 2013PLoSO...866691W