TY - RPRT TI - Beta-galactosidase activity in single differentiating bacterial cells. AU - F Russo-Marie AU - M Roederer AU - B Sager AU - L A Herzenberg AU - D Kaiser PY - 1993 DO - 10.1073/pnas.90.17.8194 UR - https://pubmed.ncbi.nlm.nih.gov/8396263/ ID - 8396263 ER -