Kalalo, L. P., S. Darmadi, and E. G. Dachlan. “ABORTUS HABITUALIS PADA ANTIPHOSPHOLIPID SYNDROME”. INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY, vol. 12, no. 2, Mar. 2018, pp. 82-87, doi:10.24293/ijcpml.v12i2.849.