N. Amalia, M. Arsyad, and K. Khafifah, “Analisis Kadar Kalsium (Ca) Pada Lansia Di Panti Perlindungan Dan Rehabilitasi Sosial Lanjut Usia Provinsi Kalimantan Selatan: Analysis of Calsium (Ca) Levels In The Elderly At The ‘Budi Sejahtera’ Social Shalter and Rehabilitation Home For The Elderly in Sout Kalimantan”, Borneo J Med Lab Tech, vol. 6, no. 2, pp. 554 –, May 2024.