Choi1 JY, Kim1 SK, Kim1 JC, La2 GH.  Utilization of nitrate stable isotopes of <i>Chydorus sphaericus</i> (OF Müller) to elucidate the hydrological characteristics of riverine wetlands in the Nakdong River, South Korea.  J Ecol Environ 2019;44:1-8.  https://doi.org/10.1186/s41610-019-0144-1