Which of the following test(s) may establish retrospective diagnosis of streptococcal infection?
A. Anti-DNase B test
B. ASO test
C. Streptozyme test
D. All of these
Answer:D
Which of the following test(s) may establish retrospective diagnosis of streptococcal infection?
A. Anti-DNase B test B. ASO test C. Streptozyme test D. All of these