Nov. 6, 2002 — The natural history of small duct primary sclerosing cholangitis (PSC) is unknown. In a study reported in the November issue of Gut, investigators compared outcomes over eight years in ...

This session will outline the benefits to HVAC contractors of installing small-duct central HVAC as a whole-house comfort solution, specifically with regard to the history of the technology, the role ...

The Unico System has revolutionized the connection system for its flexible supply tubing, reducing the steps and time involved in the installation of its products. The longtime leader in small-duct ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. Primary sclerosing cholangitis ...

Compare plans tailored to your home & budget. It can cost $3,500 on average to replace your home’s ductwork. Even if just a small section needs replacing, it can still cost you $270 and $500 per air ...

Years of hands-on HVAC system analysis across Colorado show a clear pattern: indoor air problems rarely start in living spaces—they start inside the ductwork.