techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods techniques utilized in microbiological methods