LCGC International spoke to Damià Barceló at the University of Almeria to explore the technical and methodological barriers ...

Audit Procedures for Statistical Sampling of Inventory. When auditing a company, auditors use a combination of professional judgment and statistical sampling methods to estimate account balances.

Sampling is a tool researchers use for marketing, sociology or empirical study. ... Sample assessment methods vary, but they breakdown into two categories; probability and nonprobablility.

The sensitivity of spectroscopic methods, such as grazing angle reflection, grazing angle Ge-ATR and transmission, was compared in the analysis of ultra thin films on different substrates. Based on ...

In an article published by Policy@Manchester, Stephanie Gillibrand, Caroline Sanders, Emma Crosbie and Jennifer Davies argue that a national rollout of self-sampling methods including a novel ...

Pfizer (NYSE: PFE) is by far the biggest distributor of drug samples, new congressional data shows. As Dow Jones reports, the world's largest drugmaker handed out $2.7 billion worth of free samples ...