Fig. 5From: Increased testicular insulin-like growth factor 1 is associated with gonadal activation by recombinant growth hormone in immature ratsEffects of rhGH on blood testosterone levels in immature male rats. ELISA for blood testosterone levels on PNDs 24 (A) and 31 (B). * and **, significantly different from control rats by Mann-Whitney U test at p < 0.05 and 0.01, respectivelyBack to article page