1. Observations on referred pain arising from muscle;Kellgren;Clinical Science,1938
2. On distribution of pain arising from deep somatic structures, with charts of segmented pain areas;Kellgren;Clinical Science,1939
3. On deep hyperalgesia and cold pain;Kellgren;Clinical Science,1948
4. Pain and mood patterns in patients: a prospective study;Moldofsky;Psychosomatic Medicine,1970
5. Induction of neurasthenic musculoskeletal pain syndrome by selective sleep stage deprivation;Moldofsky;Psychosomatic Medicine,1976