when did blood transfusions become safer and why
Blood transfusion It was not until 1901, when the Austrian Karl Landsteiner discovered three human blood groups (O, A, and B), that blood transfusion was put onto a scientific basis and became safer.
Blood In Blood Out Blood In Blood Out (also known as Bound by Honor) is a 1993 American crime-drama film directed by Taylor Hackford. It follows the intertwining lives of three Chicano relatives from 1972 to 1984. They start out as members of a street gang in East Los Angeles, and as dramatic incidents occur, their lives and friendships are forever changed. Blood In Blood Out was filmed in 1991 throughout the Spanish-speaking areas of Los Angeles and inside California's San Quentin State Prison.