 If they did implant, many of the rats had spontaneous abortions of their entire litters, of all their pups, and many gave birth to a full litter of stillborn pups. And many of the pups also had malformations during their development process in their scales and their muscle tissues. So it's really damning evidence that they came forward and said, oh, this is safe to use in pregnant women. And also there were early signals from Pfizer's data that,