Sennang AN, N., M. Mutmainnah, R. Pakasi, and H. Hardjoeno. “ANALISIS KADAR OSTEOKALSIN SERUM OSTEOPENIA DAN OSTEOPOROSIS”. INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY, vol. 12, no. 2, Mar. 2018, pp. 49-52, doi:10.24293/ijcpml.v12i2.841.