Observations on the possible role of nucleic acid exchange reactions in pneumococcal capsular type transformation; a preliminary note.
D009696:Nucleic Acids / Q000494:pharmacology*; D022242:Pneumococcal Vaccines; D013296:Streptococcus pneumoniae
D009696:Nucleic Acids; D022242:Pneumococcal Vaccines
DIPLOCOCCUS PNEUMONIAE; NUCLEIC ACIDS/effects