A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps oleh Olha Barna, Pavlo Lohoida, Yurii Holovchenko, Andrii Bazylevych, Valentyna Velychko, Iryna Hovbakh, Larysa Bula, Michael Shechter