巴苯降解益生菌的响应面法优化研究，从酸奶渣分离出Enterococcus faecium MA-4，通过单因素和响应面法确定最佳条件为pH 6.5、35 ...

We hear a lot more about our bad bugs than our good bugs — about treatment-resistant gonorrhea and C. difficile and run-amok E.coli. But we also hear more and more about how our bodies are ecosystems ...