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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.

Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or indeterminate size? That’s where reservoir sampling comes in, and [Sam Rose] has ...

Protocols.io is an online platform designed for researchers to share their lab protocols and methodology as step-by-step instructions. Here, we share some of their latest protocols for preparing ...