In a new book, Argentine historian Jorge Camarasa claims that Nazi doctor Josef Mengele was responsible for the unusually high number of twins in the small Brazilian town of CÃ¢ndido GodÃ³i, the British daily Telegraph reported on Wednesday. In his book, Mengele: the Angel of Death in South America, Camarasa, a historian specializing in the post-war Nazi flight to South America, researched the Nazi doctor's activities after the Second World War. "I think CÃ¢ndido GodÃ³i may have been Mengele's laboratory, where he finally managed to fulfill his dreams of creating a master race of blond haired, blue eyed Aryans," he was quoted in the British newspaper as saying. After speaking to the people in CÃ¢ndido GodÃ³i, the Argentine historian became convinced the Nazi doctor continued his genetic experiments with twins after fleeing from Europe. While scientists failed to discover why as many as 20% of all pregnancies in the small Brazilian town resulted in twins, most of them blond haired and blue eyed, residents of Candido Godoi reportedly told Camarasa that Mengele visited the town in the early 1960s. According to the Brazilians, the doctor posed at first as a veterinarian but later offered medical treatment to the town's women. In the book, Camarasa claims that Mengele found refuge in the German enclave of Colonias Unidas, Paraguay, and in 1963, began to make regular trips to the farming community of CÃ¢ndido GodÃ³i, another predominantly German community just over the border in Brazil. According to the book, soon after 1963 the birthrate of twins in the town began to rapidly increase.