Background: A recent review by the International Agency for Research on Cancer (IARC)
updated the assessments of the > 100 agents classified as Group 1, carcinogenic to humans (…

China is facing one of the largest challenges of this century to continue to increase annual
cereal production to about 600 Mt by 2030 to ensure food security with shrinking cropland and …

… at district-level hospitals has been estimated at €24 (US $33), which is similar to the cost of
oral rehydration solution, and cheaper than Bacillus Calmette–Guérin (BCG) and hepatitis B …

Epidemiology Lung cancer¡ s the most common malignant disease worldwide, and is the
major cause of death from cancer, particularly amongst men. It was a rare disease unti! the …

Objectives. The aim of this study was to determine the prevalence of aortic sclerosis and
stenosis in the elderly and to identify clinical factors associated with degenerative aortic valve …

Politics and political conflict often occur in the written and spoken word. Scholars have long
recognized this, but the massive costs of analyzing even moderately sized collections of texts …

Collection and especially analysis of open‐ended survey responses are relatively rare in
the discipline and when conducted are almost exclusively done through human coding. We …

Misattributions people make about their own affective reactions can be used to measure
attitudes implicitly. Combining the logic of projective tests with advances in priming research, …

A prospective study of 1,958 outpatients found that hopelessness, as measured by the Beck
Hopelessness Scale, was significantly related to eventual suicide. A scale cutoff score of 9 …

This paper demonstrates how to use the R package stm for structural topic modeling. The
structural topic model allows researchers to flexibly estimate a topic model that includes …