Ayuningrum, K.Y., Wulan, S.M.M., Pawana, I.P.A., Wardani, N.K., Kusumawardani, M.K. and Darma, A. 2022. Interferential current therapy improved constipation and pelvic floor muscle activity in cerebral palsy children: A case series. International journal of health sciences. 6, S5 (Aug. 2022), 6452–6463. DOI:https://doi.org/10.53730/ijhs.v6nS5.11491.