I received two frantic phone calls in less than 12 hours several days ago. Both calls were about plumbing emergencies. The ...

This online article, “ Guide to heavy-duty actuator springs and valves springs,” shows how springs in process valves and actuators are the “sil ...

Patients who received an endobronchial valve vs. lung volume reduction surgery had significantly heightened odds for mortality and readmission. Risk adjustment is important in future research on ...