Evan Ashkin, MD
Ashkin E. Sigmoidoscopy Reimbursement. Ann Intern Med. ;131:792–793. doi: 10.7326/0003-4819-131-10-199911160-00024
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© 2019
Published: Ann Intern Med. 1999;131(10):792-793.
DOI: 10.7326/0003-4819-131-10-199911160-00024