Ricin chain A. This vaccination is effective for several months due to the body's production of antibodies to the foreign protein. In 1978 Bulgarian defector Vladimir Kostov survived a ricin attack similar to the one on Georgi Markov, probably due to his body's production of antibodies. When a ricin-laced pellet was removed from the small of his back it was found that some of the original wax coating was still attached. For this reason only small amounts of ricin had leaked out of the pellet, producing some symptoms but allowing his body to develop immunity to further poisoning. The seeds of
Waterloo Bridge (1931 film) but mature ... so moving and believable as to send any audience out talking and raving in appreciation." On December 5, 2006, Warner Home Video released the film, together with "Baby Face" and "Red-Headed Woman", as part of a DVD box set entitled "TCM Archives – Forbidden Hollywood Collection, Vol. 1". Waterloo Bridge (1931 film) Waterloo Bridge is a 1931 American pre-Code drama film directed by James Whale. The screenplay by Benn Levy and Tom Reed is based on the 1930 "Waterloo Bridge" by Robert E. Sherwood. The film was remade in 1940 as "Waterloo Bridge" and as "Gaby" in