Figure 4From: Comparative study of the effects of fetal bovine serum versus horse serum on growth and differentiation of primary equine bronchial fibroblastsEffect of cryopreservation on EBF passage number and population doubling. Under standard culture conditions, cells were subjected to obtain (A) maximum passage number (n = 3) and (B) population doubling (n = 2). Thawed cells were used after 2 passages and treated as described under Figure 2.Back to article page