Marwang, S.; Masni, M.; Stang, S.; Mallongi, A.; Sudirman, J.; Triananinsi, N. The Impact of His Frequency and Religiosity Toward Prolonged Second Stage and Its Impact of the Placenta Separation in Maternity at Siti Fatimah Hospital Makassar. Open Access Maced J Med Sci 2020, 8, 200-203.