alexQatubuntu staphylococci Firmicutes eustress positive Serratia semidefinite marcescens Widal Nandrolone supercoils test Sinkewitz Gram Breusch norandrosterone MTWA anaerobes Tuberculin tyrosinase enterococci Bazarova globoma epitestosterone UBeat mTORC1 CA19 affectivity streptococci VDRL CD135 clenbuterol boldenone 7786