Sebo, Paul, Dagmar M. Haller, and Hubert Maisonneuve. 2020. “Quality of Sleep in Patients With Nocturnal Leg Cramps and Validity of a Single-Item Measure of Cramp-Related Sleep Disturbance: An Observational Study”. Swiss Medical Weekly 150 (1718):w20217. https://doi.org/10.4414/smw.2020.20217.