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| Node 1: Introduction: The opening page with instructions. | |
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| Node 2: Pennsylvania's North American Draeger | |
| Node 3: Pennsylvanian Origins | |
| Node 4a: New Englanders' Demonstrations | |
| Node 4b: Monitoring Vital Signs | |
| Node 5: Gas Flow In Anesthesia | |
| Node 6: Old Englanders' Refinements | |