ALSO NOTED: FDA blesses St. Jude heart valve; China Aoxing to sell narcotic for cancer pain;

> St. Jude Medical got the FDA's OK for a heart valve implant designed to protect against calcification. Report

> China Aoxing Pharmaceutical got its government's go-ahead to make and market Tilidine, a narcotic, to alleviate a shortage of meds for cancer pain. Report

> Beijing Med-Pharm has inked a deal to market and distribute Enablex, a Novartis drug for overactive bladder, in China. Report

> The leukemia drug dexamethasone causes extreme fatigue and sleeplessness in some children, according to a new study published in the online journal Cancer. Report

And Finally... Here's how to better predict liver toxicity: Use a teeny-tiny colony of living cells. Report