Fellatio by Fruit Bats Prolongs Copulation Time Tan, Min ; Jones, Gareth ; Zhu, Guangjian ; Ye, Jianping ; Hong, Tiyu ; Zhou, Shanyi ; Zhang, Shuyi ; Zhang, Libiao Abstract Publication: PLoS ONE Pub Date: October 2009 DOI: 10.1371/journal.pone.0007595 Bibcode: 2009PLoSO...4.7595T