* Reduction was shown as odds ratios (ORs) for year comparing 2003 with 1997.

Population migration has played an important role in human evolutionary history and in the patterning of human genetic variation. A deeper and empirically-based understanding of...

Adjusted odds ratios (ORs) were estimated using multivariable logistic regression analysis. The model included all variables in this table as independent variables.

Introduction: In March 2015 a Saudi-led coalition began an air campaign and ground offensive in Yemen. The conflict has resulted in at least 100,000 people killed and 3.2...

Adjusted odds ratios (ORs) were estimated using multivariable logistic regression analysis. The model included all variables in this table as independent variables.