Usk is a Welsh town.

Seasonal and long-term variations in water quality of the Skeena River at Usk, British Columbia
Movement of adult Atlantic salmon in the Usk estuary, Wales
Distribution, growth and movement of River Usk brown trout (Salmo trutta)
Mitochondrial DNA variation in River Usk brown trout, Salmo trutta
Soil bacterial and fungal communities across a pH gradient in an arable soil.
Patterns of Smoking in the Baltic Republics
Considering fungal:bacterial dominance in soils – Methods, controls, and ecosystem implications
Stange EF, Travis SP, Vermeire S, et al.. European evidence-based consensus on the diagnosis and management of ulcerative colitis: d...
Prevalence of mutations in renal developmental genes in children with renal hypodysplasia: results of the ESCAPE study
Abnormally Increased Endothelin-1 in Plasma During the Night in Obstructive Sleep Apnea: Relation to Blood Pressure and Severity of ...