Ricin immunogenic in mice, rabbits, and humans. It has completed two successful clinical trials. Ricin has been involved in a number of incidents. In 1978, the Bulgarian dissident Georgi Markov was assassinated by Bulgarian secret police who surreptitiously shot him on a London street with a modified umbrella using compressed gas to fire a tiny pellet contaminated with ricin into his leg. He died in a hospital a few days later and his body was passed to a special poison branch of the British Ministry of Defence (MOD) that discovered the pellet during an autopsy. The prime suspects were the Bulgarian
Wearing Velvet Slippers under a Golden Umbrella Wearing Velvet Slippers under a Golden Umbrella Wearing Velvet Slippers under a Golden Umbrella (, Pronounced as Katipa phanat see shwe htee hsaung) is a 1970 Burmese film directed by Maung Wunna starring Myat Mon, Myat Lay and Thet Naung. The film was Maung Wunna's first feature as director and he also wrote the screenplay, based on the novel of the same name by Maung Thara. Dr. Kyi Thar (Myat Lay), who works at the intensive-care unit, Mental Health Hospital, Yangon, and the patient Ma Htar Htar (Myat Mon), an elder sister of a friend. They met for the very