From the parmacoepi point of view, the best risk estimator is the relative risk (RR, event rate in exposed/event rate in non-exposed). This cannot be measured in case-controls studies, because the cases and the controls are independent, and the overall event rates are fixed by the cas/control ratio.
Bay of Campeche. Bay of Campeche, also called Gulf of Campeche, Spanish BahÃ­a de Campeche, bay of the Gulf of Mexico, southern Mexico. It is bounded by the YucatÃ¡n Peninsula to the east, by the Isthmus of Tehuantepec to the south, and by southern Veracruz to the west.
Written By: Gulf of California, also called Sea of Cortez, Spanish Golfo de California, or Mar de CortÃ©s, large inlet of the eastern Pacific Ocean along the northwestern coast of Mexico. It is enclosed by the Mexican mainland to the east and by the mountainous peninsula of Baja California to the west.