journal

正しくは、

xxxx et al., 2019

et al.全体をイタリック（斜体） にするらしいです。

Dopamine D2 receptors in addiction-like reward dysfunction and compulsive eating in obese rats

Nature Neuroscience 2 ...

A Critical Role for α4βδ GABAA Receptors in Shaping Learning Deficits at Puberty in Mice

Science. 2010 Mar 19;327(59 ...

critical function of Prdm14 for the establishment of the germ cell lineage in mice
nature genetics 40, 1016-1022(200 ...