0.9% sodium chloride solution (3 ml)

 cyclosporine A (50 mg/kg/d) (for 7 days)

 enalapril (50 mg/l) (for 60 days)

 nephrectomy (for 28 days) then enalapril (50 mg/l) (for 21 days)

 nephrectomy (for 28 days) then control condition

 control condition

 puromycin aminonucleoside (50 mg/kg) (between 56 and 70 days) then saralasin (0.3 mg/kg/hr) (for 0.5 hours)

 puromycin aminonucleoside (50 mg/kg)

 controlled enalapril content drinking water (50 mg/l) (for 7 days) then puromycin aminonucleoside (50 mg/kg)

 nephrectomy (for 28 days) then reserpine (5 mg/l) (for 21 days) and hydralazine (80 mg/l) (for 21 days) and controlled hydralazine content drinking water (25 mg/l) (for 21 days)

 cyclosporine A (50 mg/kg/d) (for 7 days) and lacidipine (1 mg/kg/d) (for 7 days)

 castor oil

 arterial catheter implantation and controlled hemorrhage