1. Twenty-four hour variation in self-administration of morphine sulfate and hydromorphone by postsurgical gynecologic cancer patient;Auvil-Novak;Annu. Rev. Chronopharmacol.,1988
2. Temporal variation in the self-administration of morphine sulfate via patient-controlled analgesia in postoperative gynecologic cancer patients;Auvil-Novak;Annu. Rev. Chronopharmacol.,1990
3. Seasonal variation of morphine physical dependence;Beckman;Life Sci.,1982
4. Rhythmic variations in pain perception in osteoarthritis of the knee;Bellamy;J. Rheumatol.,1990
5. Biophasic alterations of nociceptivc thresholds induced by food deprivation;Bodnar;Physiol. Psychol.,1978