Methods Study design and participants We did a population-based nested case-control study that combined information on thyroid cancer from the national cancer registries of Denmark, Finland, Norway, ...

For the new study, Dr. Worobey, Dr. Pekar and their colleagues compared the genomes of 250 coronaviruses, using their genetic similarities and differences to determine their relationships.

Methods Nested case–control design. Cases and controls were identified from two prospective cohort studies using valid injury surveillance methods. Cases were players concussed during a game or ...

Objective: To study the factors associated with oligohydramnios and its related neonatal morbidity and mortality. Materials and Methods: This was a 10-year retrospective nested case-control study ...

In a large (n = 624 cases) nested case-control study, we investigated the association between 152 circulating inflammatory and immune response protein biomarkers and the risk of endometrial cancer. We ...

A maximum likelihood method for secondary analysis of nested case-control data.Stat Med. 2014 May 20;33 (11):1842-52. Arnold BF, Ercumen A, Benjamin-Chung J, Colford JM Jr. Brief Report: Negative ...

Graphical AbstractMETHODS: A nested case-control study was conducted based on the National Health Insurance Service-National Health Screening Cohort, which comprises nationwide health claims data and ...

Graphical AbstractA nested case-control study was conducted based on the National Health Insurance Service-National Health Screening Cohort, which comprises nationwide health claims data and a ...

This nested case-control study involved active-duty Air Force servicemen with sera from the Department of Defense Serum Repository. We selected 530 cases and 530 controls individually matched on birth ...

Counter-matched sampling design was used to select participants matched for sex, age, and smoking for this nested case-control study. The incidence factors were statistically examined by logistic ...

Methods This study includes the PanCareSurFup and ProCardio cohort of ≥ 5-year childhood cancer survivors diagnosed between 1940 and 2009 in seven European countries (N = 42,361). We calculated the ...