Department of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China Purpose: This study aimed to investigate the impact of different doses of oliceridine on the ED 50 of ...

Estimate a mixture model with a Poisson or negative binomial count model and a point mass at zero. The predictors can be different for the two models. The estimated model can be saved and used for ...

Objectives Obesity is reported to be closely relevant to early sexual development but the relationship between sexual precocity and obesity or central obesity is still inconsistent, especially in boys ...