Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

Optimal microbial sampling approaches for pharmaceutical environments include surface, passive air, and active air monitoring ...

Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of "do I need to sample," "how to take a sample" and "where should I send ...

Dean Garfield, president and CEO, Information Technology Industry Council, Washington, D.C. Kembrew McLeod, associate professor, department of communication ...