Table 3 Population doubling level of disc cells cultured in different culture media

2.9 ± 0.1

3.3 ± 0.1

3.5 ± 0.3

3.4 ± 0.2

2.6 ± 0.6

2.6 ± 0.4

3.0 ± 0.5

2.8 ± 0.6

3.1 ± 0.6

3.1 ± 0.6

3.4 ± 0.3

3.1 ± 0.6

8.5 ± 0.8

9.0 ± 0.7

9.9 ± 0.7 *

9.3 ± 0.7

3.1 ± 0.4

2.9 ± 0.2

2.7 ± 0.7

2.8 ± 0.5

2.5 ± 0.3

2.5 ± 0.4

2.7 ± 0.2

2.8 ± 0.0

2.1 ± 0.3

2.5 ± 0.2

2.8 ± 0.3

2.8 ± 0.3

7.7 ± 0.5

7.8 ± 0.6

8.2 ± 0.2

8.3 ± 0.5