@article{Liang-ping Hu:504, author = {Liang-ping Hu, Xiao-lei Bao, Qi Wang }, title = {The balance principle in scientific research}, publisher = {Journal of Integrative Medicine}, year = {2012}, journal = {Journal of Integrative Medicine}, volume = {10}, number = {5}, eid = {504}, numpages = {3}, pages = {504}, keywords = {;statistics;medical;research design;balance principle}, url = {http://www.jcimjournal.com/EN/abstract/article_1095.shtml}, doi = {10.3736/jcim20120504} }