1. General aspects of back pain: an overview;Jayson,1990
2. Nonsteroidal anti-inflammatory drugs and gastroenteropathy: the second hundred years;Wallace;Gastroenterology,1997
3. The role of muscle relaxants in the treatment of muscle spasms;Malsch,1988
4. The use of Sirdalud in painful muscle tonic syndromes;Damulin;Terapevticheskii Arkhiv,1997
5. A comparative trial of DS 103–282 and placebo in the treatment of acute skeletal muscle spasms due to disorders of the back;Lepisto;Current Therapeutic Research,1979