Vega-Corrales, L. A.; Marín-Vindas, C. Evaluation of Escherichia Coli Concentrations in Crassostrea Gigas and Seawater in Two Oyster Growing Areas in the Gulf of Nicoya, Costa Rica. Rev. Cien. Mar. Cost. 2014, 6, 155-166. https://doi.org/10.15359/revmar.6.11.