Figure 1. Quellung test with S. pneumoniae ATCC 49619. (A) Bacterial sample. (B) Negative control

From

Investigation of Appropriate Cultivation Approach for Capsular Polysaccharide Production by Streptococcus pneumoniae Serotype 19F

Mohsen Jalali, Shirin Tarahomjoo

American Journal of Microbiological Research. 2015, 3(6), 197-200 doi:10.12691/ajmr-3-6-4