Egg Capsule Structure and Permeability in the Viviparous Shark, Mustelus canis. Journal of Experimental Zoology, 267, 76–85
Free amino acids in the uterine fluids of four species of viviparous sharks (Squalus acanthias, Carcharhinus plumbeus, Mustelus canis and Rhizoprionodon terraenovae). Comparative Biochemistry and Physiology – Part B, Comparative Biochemistry, 104(3), 583–588
DOI: 10.1016/0305-0491(93)90285-D
Chemical composition of uterine fluid in four species of viviparous sharks (Squalus acanthias, Carcharhinus plumbeus, Mustelus canis and Rhizoprionodon terraenovae). Comparative Biochemistry and Physiology – Part A, Physiology, 105(1), 91–102
DOI: 10.1016/0300-9629(93)90178-7