N. Maracilu, C. . (2022) “The effect of serum magnesium, calcium, and potassium levels on the event of calf muscle cramps, according to the perspective of pregnant women in the third-trimester of pregnancy : Pengaruh Kadar Magnesium, Kalsium, dan Kalium Serum Terhadap Terjadinya Kram Otot Betis, Menurut Perspektif Ibu Hamil di Trimester Ketiga Kehamilan”, Indonesian Journal of Obstetrics and Gynecology, 10(4), pp. 194–199. doi: 10.32771/inajog.v10i4.1586.