Toshifumi Udono

Chimpanzee Down syndrome: a case study of trisomy 22 in a captive chimpanzee

Satoshi Hirata, Hirohisa Hirai, Naruki Morimura, 2017, Primates.

Polymorphism of the Tryptophan Hydroxylase 2 (TPH2) Gene Is Associated with Chimpanzee Neuroticism

Tatyana Humle, Yuichi Murayama, Shin'ichi Ito, 2011, PloS one.

Learning Processes in the Acquisition of a Tool Using Task by Captive Chimpanzees

Masaki Tomonaga, Maura L. Celli, Toshifumi Udono, 2001 .

Identification of Plasmodium malariae, a Human Malaria Parasite, in Imported Chimpanzees

Jetsumon Sattabongkot, Toshihiro Horii, Hirohisa Hirai, 2009, PloS one.