Based on: The Biology of Pneumococcus: The bacteriological, biochemical and immunological characters and activities of diplococcus pneumoniae. Benjamin White. 799 pp. New York: The Commonwealth Fund, ...

This illustration depicts a photomicrographic view of Streptococcus (Diplococcus) pneumoniae bacteria, using Gram-stain technique, 1979. Streptococcus pneumoniae is one of the most common organisms ...

BECAUSE of the importance of purine analogues in the chemotherapy of human neoplastic disease 1, several investigations have been made on their mode of action and the mechanism of resistance 2 to them ...

2 WORCESTER, MASS. (From the Service of Dr. F. C. Shattuck and the Pathological Laboratory of the Massachusetts General Hospital.) ...