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Inquiry : a Journal of Medical Care Organization, Provision and Financing|January 1, 1985
The competitive effects of HMOs: a review of the evidenceR G Frank, W P Welch
Surgery, Gynecology & Obstetrics|December 1, 1977
Appraisal of the treatment of carcinoma of the anus and anal canalJ P Welch, R A Malt
Diseases of the Colon and Rectum|March 1, 1980
Ischemic colitis in young adult patientsP A Barcewicz, J P Welch
Journal of Health Politics, Policy and Law|January 1, 1982
Contracting state mental hospital systemsR G Frank, W P Welch
Inquiry : a Journal of Medical Care Organization, Provision and Financing|January 1, 1986
The predictors of HMO enrollee populations: results from a national sampleW P Welch, R G Frank
Annals of Surgery|November 1, 1974
Perforative carcinoma of colon and rectumJ P Welch, G A Donaldson
Archives of Surgery (Chicago, Ill. : 1960)|July 1, 1977
Isolated small bowel obstruction as the presenting feature of colonic diseaseJ P Welch, A L Warshaw
Health Affairs (Project Hope)|January 1, 1995
Fee-for-data: a strategy to open the HMO black boxW P Welch, H G Welch
The Journal of Pharmacology and Experimental Therapeutics|October 1, 1993
Antinociceptive activity of intrathecally administered potassium channel openers and opioid agonists: a common mechanism of action?S P Welch, L D Dunlow
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