FeinsteinARHorwitzRI. Double standards, scientific methods, and epidemiologic research. New Engl J Med307:1611–1617, 1982
3.
FeinsteinAR. Clinical Epidemiology. The Architecture of Clinical Research. Philadelphia: WB Saunders Co, 1985
4.
IbrahimMASpitzerWO. The case control study. The problem and the prospect. J Chron Dis32:139–144, 1979
5.
JohnsonRJEttlingerCFCampbellRJPopeMH. Trends in skiing injuries. Analysis of a 6-year study (1972–1978). Am J Sports Med8:106–113, 1980
6.
PenaJJQuanRCintronJH. Information management in quality assurance. In: Hospital Quality Assurance, Risk Management and Program Evaluation. PenaJJHaffnerANRosenBLighDW, (eds). Rockville, MD: Aspen Systems Corp, 1984, pp 199–206
7.
RemmlingerE. Profile analysis. In: Quality Assurance in Hospitals: Strategies for Assessment and Implementation. GrahamNO, (ed). Rockville, MD: Aspen Systems Corp, 1982, pp 219–237
8.
WalterSDSuttonJRMcIntoshJMConnollyC. The aetiology of sports injuries. A review of methodologies. Sports Med2:47–58, 1985