Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Omura Gen and Ishida Masaki and Arikawa Mikihiko and M. Mostafa Kamal Khan S. and Suetomo Yasutaka and Kakuta Soichiro and Yoshimura Chisato and Suzaki Toshinobu,A bacteria-free monoxenic culture of Paramecium bursaria: its growth characteristics and the re-establishment of symbiosis with Chlorella in bacteria-free conditions,Japanese Journal of Protozoology,03883752,Japan Society of Protistology,2004,37,2,139-150,https://cir.nii.ac.jp/crid/1390282763036224640,https://doi.org/10.18980/jjprotozool.37.2_139