during the four-day igf generation test , igf i and igf ii levels rose significantly from 0.32 +/- 0.04 u/ml to 0.62 +/- 0.13 u/ml and from 279 +/- 36 ng/ml to 434 +/- 49 ng/ml , respectively .
C0037657
igf
C0021665
igf i