Citation: H. Hentschel et al., THE CENTRAL VESSEL OF THE RENAL COUNTERCURRENT BUNDLES OF 2 MARINE ELASMOBRANCHS - DOGFISH (SCYLIORHINUS-CANICULUS) AND SKATE (RAJA-ERINACEA) - AS REVEALED BY LIGHT AND ELECTRON-MICROSCOPY WITH COMPUTER-ASSISTED RECONSTRUCTION, Anatomy and embryology, 198(1), 1998, pp. 73-89