A prospective analysis of risk factors for Alzheimer’s disease was a major objective of the
Canadian Study of Health and Aging, a nationwide, population-based study. Of 6,434 eligible …

Background and Design: Basal cell carcinoma (BCC) of the skin is the most common
neoplasm in white populations, and solar radiation is generally accepted to be the dominant …

OBJECTIVE: We observed long-term venous ultrasound and plethysmographic changes
after varicose vein surgery, to determine factors that influence recurrence. METHODS AND …

Introduction and Design: Squamous cell carcinoma of the skin (SCC), a common cancer in
white populations, is related to sunshine exposure; however, relatively little information is …

BACKGROUND: The recurrence of varicose veins is a common and costly consequence of
varicose vein surgery. Despite the long history and vast experience of varicose vein surgery, …

The role of non-sunlight-related risk factors for squamous cell carcinoma (SCC) and basal
cell carcinoma (BCC) of the skin was investigated in a population-based, case-control study …

A case-control study of diet and bladder cancer was conducted during 1979–1982 in
Edmonton, Calgary, Toronto, and Kingston, Canada. A total of 826 histologically verified cancer …

A population‐based case‐control study of prostatic cancer in Alberta was undertaken to
determine the risk factors associated with the disease. Cases were 382 newly diagnosed …

126 appropriate-for-gestational age neonates born in hospital with birth-weights of 750 g-1500
g were prospectively studied in a randomised trial to determine the effect of intramuscular …

Archibald L. (Archie) Cochrane was born in 1909 into a wealthy Scottish family, from which
he inherited the advantage of a private income and the disadvantage of porphyria. Though a …