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Ann Intern Med. 2002 Jul 2;137(1):68-9.
David EM.
Columbia University, New York, NY 10021, USA. emd11@columbia.edu
PMID: 12093251 [PubMed - indexed for MEDLINE]
Med Econ. 2000 Jan 24; 77(2):159-60, 163-4, 166.
[Med Econ. 2000]
P R Health Sci J. 2003 Sep; 22(3):273-6.
[P R Health Sci J. 2003]
J Clin Oncol. 2003 May 1; 21(9 Suppl):49s-51s.
[J Clin Oncol. 2003]
Nippon Rinsho. 2004 Jun; 62 Suppl 6:505-8.
[Nippon Rinsho. 2004]
Arch Intern Med. 2003 Jun 9; 163(11):1277-81.
[Arch Intern Med. 2003]
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