TY - GEN AU - Volkert,R TI - [Riddle of HIV-1 origin solved] SN - 0012-0472 PY - 1999///0430 KW - Acquired Immunodeficiency Syndrome KW - transmission KW - Animals KW - HIV-1 KW - isolation & purification KW - Humans KW - Pan troglodytes KW - virology KW - Simian Immunodeficiency Virus N1 - Publication Type: News ER -