@article{article, title  = {{LETTER TO THE EDITOR: SAMPLE SIZES CALCULATIONS FOR ORDERED CATEGORICAL DATA by J. Whitehead,Statistics in Medicine, 12, 2257-2272 (1993).}},

 publisher = {{Wiley}},

 url = {{}},

 year = {{1996}},

 month = {{5}},

 author = {{JULIOUS SA and CAMPBELL MJ}},

 doi = {{10.1002/(sici)1097-0258(19960530)15:10<1065::aid-s}},

 volume = {{15}},

 journal = {{Statistics in Medicine}},

 issue = {{10}},

 pages = {{1065-1066}},

 note = {{Accessed on 2024/12/22}}}