Self-collection means swabbing your vagina to get a sample of cells to test in the lab. In this case, the sample is used to ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

This is an affordable, simple first step toward a lawn you'll be proud of.

Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

Introduction Self-sampling for cervical cancer screening is a promising strategy to improve coverage and reduce strain on ...