For citations:

Kvetnaya A.S., Zhelezova L.I. Phosphatidylcholine (lecithin) stimulating effect on pathogenic properties of pneumococcus. The Scientific Notes of the Pavlov University. 2014;21(1):48-51. (In Russ.) https://doi.org/10.24884/1607-4181-2014-21-1-48-51