Journal article
Preservation of ovarian follicles reveals early evolution of avian reproductive behaviour
Citation
Zheng, X.; O'Connor, J.; Huchzermeyer, F.; Wang, X.; Wang, Y.; Wang, M.; Zhou, Z. (2013). Preservation of ovarian follicles reveals early evolution of avian reproductive behaviour. Nature 495(7442): 507-511. doi:10.1038/nature11985