@misc{indiciae54f24f96ec5e, title = {Sleep patterns in college students: gender and grade differences.}, author = {Ling-Ling Tsai and Sheng-Ping Li}, year = {2004}, doi = {10.1016/s0022-3999(03)00507-5}, url = {https://pubmed.ncbi.nlm.nih.gov/15016583/}, note = {Source identifier: 15016583} }