Diphtheria Identified &#x7C; Sputum &#x7C; Microbiology
diphtheria identified &#x7c; sputum &#x7c; microbiology
Diphtheria Identified &#x7C; Sputum &#x7C; Microbiology
diphtheria identified &#x7c; sputum &#x7c; microbiology