The relation between risk of angina pectoris and plasma concentrations of vitamins A, C, and
E and carotene was examined in a population case-control study of 110 cases of angina, …

Many indicators of socioeconomic status used for adults are inappropriate for use in research
on adolescents. In a school-based survey of 4079 Scottish schoolchildren using a self-…

The first in its field, this book is both an introduction to x-ray lasers and a how-to guide for
specialists. It provides new entrants and others interested in the field with a comprehensive …

Background: Effective methods of treating an unstable distal radial fracture are described in
the literature, but there is no reliable method of identifying an unstable fracture in time to …

BACKGROUND Particulate air pollution has been associated with excess deaths from, and
increases in hospital admissions for, cardiovascular disease among older people. A study …

The effectiveness of bromocriptine in reducing tumor size has not been evaluated
systematically, nor has its use as primary therapy for prolactin-secreting macroadenomas been …

Background and Purpose Large platelets are more reactive, produce more prothrombotic
factors, and aggregate more easily. Platelet size can be readily estimated using automated …

Background. Current methods to predict survival duration of patients with pancreatic cancer
are limited. The aim of this study was to determine whether certain nutritional indices and the …

… However, the effects of birthweight were not independent of the effects of gestation (for
birthweight adjusted for gestation r = 0·10, p = 0·70 for systolic blood pressure; r = −0·34, p=0·20 …

Aims: To investigate the lagged effects of cold temperature on cardiorespiratory mortality
and to determine whether “wind chill” is a better predictor of these effects than “dry bulb” …