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Submitted on: 10 March 2003.
Revised on: 06 April 2003.
Accepted on: 07 May 2003.
___________________ANNALS OF INTERNAL MEDICINE---AMER COLL PHYSICIANS
Submitted on: 22 April 2023.
Revised on: 18 June 2023.
Accepted on: 13 August 2023.
___________________ANNALS OF INTERNAL MEDICINE---AMER COLL PHYSICIANS
Submitted on: 06 February 2002.
Revised on: 22 April 2002.
Accepted on: 12 May 2002.
___________________ANNALS OF INTERNAL MEDICINE---AMER COLL PHYSICIANS
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