@article{article, title = {{Sample size calculations for clinical studies allowing for uncertainty about the variance.}}, url = {{}}, year = {{2006}}, month = {{1}}, author = {{Julious SA and Owen RJ}}, doi = {{10.1002/pst.197}}, volume = {{5}}, journal = {{Pharm Stat}}, issue = {{1}}, pages = {{29-37}}, note = {{Accessed on 2025/04/14}}}