Evaluation of lead contamination of the Esmeraldas refinery, in the blood of the population of Vuelta Larga. enfermeria [Internet]. 2020 Dec. 24 [cited 2025 Dec. 18];(10):83-94. Available from: https://www.revistasdigitalesupeceduec35.biteca.online/index.php/enfermeria/article/view/994