Answers are grounded in this paper and cite their sources.
E. M. Butt, C. W. Bonynge, R. L. Joyce; The Demonstration of Capsules About Hemolytic Streptococci with India Ink or Azo Blue, The Journal of Infectious Di
No takes yet. Share an insight, caveat, or question.
Butt et al. (1936) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: