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.
The Yucatan Peninsula is an area in southeastern Mexico that separates the Caribbean Sea and the Gulf of Mexico. The peninsula itself is home to the Mexican nations of Yucatan, Campeche and Quintana Roo. It also covers the northern parts of Belize and Guatemala.) The Yucatan Peninsula itself belongs to the Yucatan Platform-a large chunk of land that is partially submerged. The Yucatan Peninsula is the portion that is above the water. 2) It is believed that the mass extinction of the dinosaurs was caused by an asteroid impact in the Caribbean.