McAlister, W H A comparison of the visual field restrictions with the M17 series protective mask and the MCU-2/P chemical-biological mask. [electronic resource] - Military medicine Apr 1993 - 266-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0026-4075 Subjects--Topical Terms: Equipment DesignHumansMilitary PersonnelRespiratory Protective DevicesVisual Fields