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 Gulf of Mexico is a large ocean basin near the Southeastern United States. It is a part of the Atlantic Ocean and is bounded by Mexico to the southwest, Cuba and the Gulf Coast of the U.S. which includes the states of Florida, Alabama, Mississippi, Louisiana and Texas (map). The Gulf of Mexico is one of the largest bodies of water in the world at a width of 810 nautical miles (1,500 km).