TY - BOOK AU - Pett, Marjorie A. TI - Nonparametric Statistics for Health Care Research: : Statistics for Small Samples and Unusual Distributions SN - 1452281964 AV - R853 .P48 2016 PY - 2016/// CY - Los Angeles PB - Sage KW - Medicine KW - statistical methods KW - Nonparametric statistics ER -