He also did serological experiments on Roma. He started by examining the twins from head to toe. The twins would keep their hair. The twins were dissected and their organs were sent to research facilities. More twins were stripped naked and were x-rayed. Twins were photographed to record hair patterns.Twins would stand,kneel, and bend over for photos and various positions. Some had to stand for hours at a time with their arms over their heads and out in other ways. The very next day they were woken up early in the morning. Male twins were given a urological examination. After 3 weeks they were taken to the dissection room. Some more of his experiments were, that twins were put into hot tubs. The water was so hot that they would stay in them just before they would pass out from the heat. They were then placed on a table and their hair was pulled out. They tried to save the hair root. This procedure was performed multiple times until they were completely bald.
They then received 2- litter enemas. Which caused much pain for the twins. This was performed without any anesthesia. In one test two young men screamed and cried so loud that DR. Mengal ordered them to be gagged. THey were killed not long after this with chloroform to the heart at the same time. Their organs were sent to other research