Immunological characteristics of heat-killed Streptococcus type 1--sonic fractions obtained by zonal fractionation.

author

  • Besdine, Richard David S. Greer, M.D., Professor of Geriatric Medicine, Professor of Medicine, Professor of Health Services, Policy and Practice, Director, Center for Gerontology and Health Care Research, Director, Division of Geriatrics and Palliative Medicine