We work together http://amdd.theides.org/levlen/ 1.5 mg levonorgestrel  Bacterial resistance was identified shortly afterantibiotics were first used in the 1940s, said Steve Solomon,acting director for the epidemiology and analysis program officeat the Atlanta-based CDC. In the past, there were always moreantibiotics in development. Now, the antibiotic pipeline haslargely dried up, leaving doctors without new weapons againstthe illnesses -- a 但ﾂ�ﾂ從ightmare,但ﾂ�ﾂ� Solomon said.