TY - RPRT TI - Unstable binary capsulated transformants in pneumococcus. AU - H P Bernheimer AU - I E Wermundsen PY - 1969 DO - 10.1128/jb.98.3.1073-1079.1969 UR - https://pubmed.ncbi.nlm.nih.gov/4389232/ ID - 4389232 ER -