| Year: 2001 | 
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| LHNCBC-2001-043 |
| Computer Briefs: POTS and Other Channels |
| Ackerman MJ |
| J. Med. Pract. Management. 2001; 17(2):112-113. |
| Although DSL service usually works, the word "usually" often translates to 95% to 97% of the time. That means that DSL service doesn't work, on average, as often as one day each month. |
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