ACUTE TOXICITY OF DRILLING FLUIDS USED IN MEXICAN OFFSHORE FACILITIES TESTED WITH POSTLARVAE WHITE SHRIMP (LITOPENAEUS SETIFERUS) Article Muñoz-Mejía G., Domínguez-Cuéllar L.E., Luna-Pabello V.M., Nuñez-García R.M. International Conference on Health, Safety and Environment in Oil and Gas Exploration and Production. 2000.