The NFL, in collaboration with the NFLPA, through their respective appointed biomechanical experts, coordinated extensive laboratory research to evaluate which helmets best reduce head impact ...

anesthesia and respiratory equipment, cystoscopes, esophageal manometry probes, laryngoscope blades, and diaphragm fitting rings, and noncritical items such as blood pressure cuffs and bedpans.

In low-income countries and rural mining areas, such equipment and chemical analysis are rarely available due to the high cost of equipment and lack of personnel with the requisite knowledge and ...