Comparative Effectiveness of a Magnesium Combination Versus Magnesium Oxide for Leg Cramps in Pregnancy: An Observational Study - Murat Polat; Sait Erbey; Ömer Osman Eroğlu; Aysu Yeşim Tezcan; Çağanay Soysal (Women’s Health and Multidisciplinary Research, 2026)