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Miao M, Song W, Chen Z; et al. (2007). "A unique euplotid ciliate, Gastrocirrhus (Protozoa, Ciliophora): assessment of its phylogenetic position inferred from the small subunit rRNA gene sequence". J. Eukaryot. Microbiol.54 (4): 371–8. PMID17669163. doi:10.1111/j.1550-7408.2007.00271.x.
Mochizuki, Kazufumi (2010). "DNA rearrangements directed by non-coding RNAs in ciliates". Wiley Interdisciplinary Reviews: RNA1 (3): 376–387. PMID21956937. doi:10.1002/wrna.34.