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Table 1 Commercially available (to be bought) and proprietary (to be manufactured) components of the Childhood Pneumonia Screener field unit.

From: Childhood Pneumonia Screener: a concept

Commercially available components Proprietary components
The mobile “smart” phone with built-in video camera and microphone Software application for guiding data collection, quality evaluation and transmission of data
Lung and heart sound sensor Archival of collected data (back-up)
Pulse oximeter  
Thermometer