Now showing items 1-2 of 2
The dose-response relationship between cigarette consumption, biochemical markers and risk of lung cancer.
The relationship between the number of cigarettes smoked per day and the incidence of lung cancer is linear but, from the multistage model of carcinogenesis, it should be quadratic (upwards curving). We investigated this ...
Prenatal reflex DNA screening for trisomies 21, 18, and 13.
PURPOSE: The purpose of the study was to determine the screening performance of prenatal reflex DNA screening for trisomies 21 (T21), 18 (T18), and 13 (T13) as part of a routine service at five hospitals. METHODS: Women ...