Hamlett, W.C. & Schwartz, F.J. & Schmeinda, R. & Cuevas, E. (1996)
Anatomy, histology, and development of the cardiac valvular system in elasmobranchs.
Journal of Experimental Zoology, 275(2–3), 83–94 DOI: 10.1002/(SICI)1097-010X(19960601/15)275:2/3<83::AID-JEZ3>3.0.CO;2-9