M
Being as old as the span.
I
A length of time.
M |
Being as old as the span. |
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I |
A length of time. |
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 Source |
The event beginning the span.
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 Instrument |
A means used to measure the span.
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 Destination |
The event ending the span.
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 Patient |
The events that took place during the span. The span is defined as being as long as these events were taking
place.
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