O. M.  Amin, Heckmann, R. A., Van Ha, N., Van Luc, P., and P. Doanh, N., ?Revision of the genus Pallisentis (Acanthocephala: Quadrigyridae) with the erection of three new subgenera, the description of Pallisentis (Brevitritospinus) vietnamensis subgen. et sp. n., a Key to species of Pallisentis, and the description of a new qua?, Comparative ParasitologyComp. Parasitol., vol. 67, no. 1, pp. 40 - 50, 2000.

O. M.  Amin, Van Ha, N., and Heckmann, R. A., ?New and already known acanthocephalans mostly from mammals in Vietnam, with descriptions of two new genera and species in archiacanthocephala?, Journal of ParasitologyJ. Parasitol., vol. 94, no. 1, pp. 194 - 201, 2008.

O. M.  Amin, Heckmann, R. A., and Van Ha, N., ?Description of Heterosentis holospinus n. sp. (Acanthocephala: Arhythmacanthidae) from the striped eel catfish, Plotosus lineatus, in Halong Bay, Vietnam, with a key to species of Heterosentis and reconsideration of the subfamilies of Arhythmacanthidae?, Comparative ParasitologyComp. Parasitol., vol. 78, no. 1, pp. 29 - 38, 2011.

O. M.  Amin and Van Ha, N., ?On a new acanthocephalan family and a new order, from birds in Vietnam?, Journal of ParasitologyJ. Parasitol., vol. 94, no. 6, pp. 1305 - 1310, 2008.

O. M.  Amin, Van Ha, N., and Heckmann, R. A., ?New and already known acanthocephalans from amphibians and reptiles in Vietnam, with keys to species of Pseudoacanthocephalus petrochenko, 1956 (Echinorhynchidae) and Sphaerechinorhynchus johnston and deland, 1929 (Plagiorhynchidae)?, Journal of ParasitologyJ. Parasitol., vol. 94, no. 1, pp. 181 - 189, 2008.

O. M.  Amin and Van Ha, N., ?On four species of echinorhynchid acanthocephalans from marine fish in Halong Bay, Vietnam, including the description of three new species and a key to the species of Gorgorhynchus?, Parasitology ResearchParasitol. Res., vol. 109, no. 3, pp. 841 - 847, 2011.

O. M.  Amin, Heckmann, R. A., and Van Ha, N., ?Description of two new species of Rhadinorhynchus (Acanthocephala, Rhadinorhynchidae) from marine fish in Halong Bay, Vietnam, with a key to species?, Acta ParasitologicaActa Parasitol., vol. 56, no. 1, pp. 67 - 77, 2011.