Outline only
This article is planned but not written yet. What it will cover, and the sources already gathered for it, are below.
What this article will cover
Clinical methods, their reliability, and why a single snapshot says little.
Planned sections
- Who this is for
- Step by step
- How to know it is working
- Troubleshooting
Sources gathered for this page
General information, not medical advice. Every claim carries its source; where the evidence is thin, the page says so.Editorial policy · How we grade evidence · All sources · Disclaimer