[Social inequality in the use of screening tests in Mexico: an analysis of the national health surveys 2006 and 2012].

Objective: To measure health inequality in the use of screen-ing services in adults from 20 to 59 years of age from the 2006 and 2012 national health and nutrition surveys.

Materials And Methods: dults (detection of diabetes, hypertension, breast cancer, cervical cancer and prostate cancer), the Kuznets index, the slope inequality index and the health concentration index were estimated. Considering as social indicators schooling, ethnicity, unemployment, socioeconomic level and type of health protection.

[Workplace bullying during specialty training in a pediatric hospital in Mexico: a little-noticed phenomenon].

Background: Workplace bullying (WB) is a hostile or intimidating behavior that is practiced against workers and has a negative impact on health, job performance, and the learning process. The objective was to research WB magnitude and its associated factors in Mexico.

Methods: Mixed method study.

[Ethics committees in the experience of the IMSS: a Latin American instance].

Background: The aim of this article is to identify the current state of hospital bioethics committees and local research ethics committees of the Mexican Institute of Social Security (IMSS).

Methods: A descriptive cross-sectional study was performed that included all hospitals of the IMSS (N = 262). Two self-administered questionnaires were e-mailed between october and november 2014 to the hospital directors: one for hospital bioethics committees and another for local research ethics committees.