Abstract
1Veterans Administration Medical Center, Long Beach, California 90822
2Centers for Disease Control, Atlanta, Georgia 30333
3National Institute of Dental Research, Bethesda, Maryland 20205
4State Health Laboratory, Brisbane, Australia
5Institut Pasteur, Paris, France
6Veterans Administration Medical Center, West Haven, Connecticut 06516
7Institute of Tropical Medicine, Antwerp, Belgium
8Tuberkulose Forschungsinstitut, Borstel, Germany
9Chubu Chest Hospital, Obu, Aichi-Ken, Japan