Reference

F. Iftode, E. Boissonneau, J.-J. Curgy, R. Perasso, N. Stelly (1985): A comparative study of chloramphenicol (CAP) action on resistant mutants and on wild-type strains of several species of two ciliates Hymenostomatida (Tetrahymena and Colpidium) – Acta Protozool. – 24: 265 - 272.