More Groups
Fewer Groups
More People
Fewer People
Sundaresan, N.; Sachdev, V. P.; Krol, G. Lippincott Williams & Wilkins (1990)
Arbit, E. Lippincott Williams & Wilkins (1990)
Fishman, B. Lippincott Williams & Wilkins (1990)
Kris, M. G.; Gralla, R. J. Lippincott Williams & Wilkins (1990)
Redd, W. H. Lippincott Williams & Wilkins (1990)
Breitbart, W. Lippincott Williams & Wilkins (1990)
Moulin, D. E.; Foley, K. M. Lippincott Williams & Wilkins (1990)
Loscalzo, M.; Amendola, J. Lippincott Williams & Wilkins (1990)
Payne, R.; Foley, K. M.; Inturrisi, C. E. Advances in Pain Research and Therapy (1986)
Portenoy, R. K.; Moulin, D. E.; Rogers, A. G.; Inturrisi, C. E.; Foley, K. M. Advances in Pain Research and Therapy (1986)