For a population-based, case-control study of cancer of the endometrium in Greater Boston
from 1965 through mid-1969, 440 cases were drawn from nearly all hospitals in the area; …

The antiphospholipid syndrome has been associated with multiple cardiac abnormalities.
The earliest reports were of valvular disease, including verrucous endocarditis, as well as …

… Kaplan argues that to avoid revisiting the carnage and catastrophes seen in places like
Iraq, Bosnia, and the Congo, the West needs to rethink its ideas on fragile states and start …

A case-control study of benign breast disease was conducted in Greater Boston in 1968–1969.
Cases were nearly all women living in the reference population who were initially …

To evaluate the carcinogenic potential from occupational exposure to perchloroethylene (PCE),
a retrospective cohort mortality study of workers employed in the dry cleaning industry …

… Data from the Strong Heart Study show smoking rates among Sioux Indians of North and
South Dakota as high as those of Alaska Natives and use of smokeless tobacco to be lower [14]…

An investigation of the apical seal of the most popular retrograde techniques was attempted.
Ninety extracted maxillary central incisors were instrumented and obturated, and various …

A large cohort of petroleum refinery workers with long duration of employment, long latency,
and relatively young age at hire had its vital status updated through Dec 31, 1980. The …

In order to test the hypothesis that Roman Catholic priests are at low risk for prostatic cancer
because of their celibacy, a cohort of 10,026 men who were active or retired diocesan (…

… Walter SD: Determination of significant relative risks and optimal sampling procedures in
prospective and retrospective studies of various sizes. Am J Epidemiol 105:387-397, 1980. 11. …