1.   They have replaced the needle with a flashlight-size tube that uses a jet of helium to accelerate powdered drugs to supersonic speeds.

2.   Through U.S. commercial agents, the plant had applied to export four nonsterile powdered drug ingredients.

3.   While Inhale is developing powdered drugs, Aradigm is working on liquid formulations of drugs that can be delivered via the lung.

4.   Powdered drugs are usually more dense than their containers.