Helicobacter pylori, gastric cancer, neoadjuvant therapy
On-line TurboFlow SPE, Per- and polyfluoroalkyl substances (PFASs), Human serum, PFASs isomers
environmental contaminants, total diet study, nationwide monitoring, risk assessment, dietary intake
Papillary thyroid cancer, Case-control study, Human urine, Bisphenol analogs