1. Leg cramp syndrome in pregnancy;Salvatore;Obstet Gynecol,1961
2. Restless legs syndrome in pregnancy;Goodman;BMJ,1988
3. Symptoms in pregnancy: nausea and vomiting, heartburn constipation and leg cramps;Bracken,1989
4. Pregnancy induced leg cramps how common are they?;Valbø;Tidsskr Nor Legeforen,1999
5. Clinical aspects and treatment of calf muscle cramps during pregnancy;Riss;Geburtshilfe Frauenheilkd,1983