Liu, Xiaoying, Behrman, Jere, Hannum, Emily, Wang, Fan, and Zhao, Qingguo. Same environment, stratified impacts? Air pollution, extreme temperatures, and birth weight in South China. Retrieved from https://par.nsf.gov/biblio/10357340. Social Science Research 105.C Web. doi:10.1016/j.ssresearch.2021.102691.

Liu, Xiaoying, Behrman, Jere, Hannum, Emily, Wang, Fan, & Zhao, Qingguo. Same environment, stratified impacts? Air pollution, extreme temperatures, and birth weight in South China. Social Science Research, 105 (C). Retrieved from https://par.nsf.gov/biblio/10357340. https://doi.org/10.1016/j.ssresearch.2021.102691

Liu, Xiaoying, Behrman, Jere, Hannum, Emily, Wang, Fan, and Zhao, Qingguo. "Same environment, stratified impacts? Air pollution, extreme temperatures, and birth weight in South China". Social Science Research 105 (C). Country unknown/Code not available. https://doi.org/10.1016/j.ssresearch.2021.102691. https://par.nsf.gov/biblio/10357340.

@article{osti_10357340,
place = {Country unknown/Code not available}, title = {Same environment, stratified impacts? Air pollution, extreme temperatures, and birth weight in South China}, url = {https://par.nsf.gov/biblio/10357340}, DOI = {10.1016/j.ssresearch.2021.102691}, abstractNote = {}, journal = {Social Science Research}, volume = {105}, number = {C}, author = {Liu, Xiaoying and Behrman, Jere and Hannum, Emily and Wang, Fan and Zhao, Qingguo}, }