Calcio en quesos artesanales de Guayaquil-Ecuador: Calcium content in artisan cheese from Guayaquil-Ecuador. RCTA [Internet]. 2020 Jan. 13 [cited 2024 Nov. 22];30(1):43-7. Available from: https://revcitecal.iiia.edu.cu/revista/index.php/RCTA/article/view/89