Collagen from calf skin, Bornstein and Traub Type I, (0.1% solution in 0.1 M acetic acid), aseptically processed, BioReagent, suitable for cell culture
Collagen from calf skin, Bornstein and Traub Type I, solid, BioReagent, suitable for cell culture
Collagen from calf skin, Bornstein and Traub Type I (Sigma Type III), solid