@misc{indiciaeb26d6be29cee, title = {Estimating sample size for continuous outcomes, comparing more than two parallel groups with unequal sizes.}, author = {J Singer}, year = {1997}, doi = {10.1002/(sici)1097-0258(19971230)16:24<2805::aid-sim676>3.0.co;2-b}, url = {https://pubmed.ncbi.nlm.nih.gov/9483715/}, note = {Source identifier: 9483715} }