M. Purba, S. Loebis, D. Purba, S. Halim, A. H. Sutanto, and H. Siregar, “Hypopotassemia in Infantile Diarrhoea Treated With Half Strength Ringer’s Lactate in Dextrose 2.5%”, PI, vol. 22, no. 9-10, pp. 181-4, Oct. 1982.