Table 1.

Animal groups.

Subgroup	Number of Rats	Maneuvers	Time of Sacrifice
Group 0
	10 rats	Donation of blood	At the time of donation
Group I
Subgroup Ia	5 rats	Left untreated.	At the end of the experiment
Subgroup Ib	5 rats	PRP injection (0.1 mL, intratesticular, once)	At the time of the sacrifice of the related subgroup IIIa
Subgroup Ic	5 rats	PRP injection (twice, with two-week intervals between each injection).	At the time of the sacrifice of the related subgroup IIIb
Group II
	8 rats	Oxymetholone (10 mg/kg) for 30 days.	After 30 days
Group III
Subgroup IIIa	8 rats	Oxymetholone + PRP injection, once, after oxymetholone.	After 6 weeks from the start of the experiment
Subgroup IIIb	8 rats	Oxymetholone + PRP injection, twice, two-week intervals, after oxymetholone.	After 8 weeks from the start of the experiment