1. INTRODUCTION

2. OBSERVATIONS AND DATA ANALYSIS

3. RESULTS

3.2. Line Ratios

4. DISCUSSION

4.1. Comparing SiO 43 GHz and \(86\,GHz\,\nu{=}I\) Lines

4.3. Comparing SiO 43 GHz \(\scriptstyle{\nu=I}\) and \(\nu{=}3\) Lines

4.4. Trends for the \(43\,GHz\,\nu{=}3\) Line Detected Sources

4.5. Infrared Correlations

5. SUMMARY