Before revision: Clinical trials of PC-SPES appeared to show it had some effect on human hormones, but it was discovered the PC-SPES had been adultuterated with estrogenic chemicals, which were likely the cause of these effects
After revision: Clinical trials of PC-SPES appeared to show it had some effect on human hormones, but it was discovered the PC-SPES had been adulterated with estrogenic chemicals, which were likely the cause of these effects