treated with: vehicle (0.1% EtOH) as control for 72hrs
treated with: 4-OHT (10-6mol/L) for 72 hrs
treated with: E2 (10-9mol/L) plus 4-OHT (10-6mol/L) for 72 hrs
treated with: PP2 (5x10-6mol/L) for 72 hrs
treated with: E2 (10-9mol/L) plus PP2 (5x10-6mol/L) for 72 hrs