TY - BOOK AU - Pett,Marjorie A. TI - Nonparametric statistics for health care research: statistics for small samples and unusual distributions SN - 0803970382 (cloth) U1 - 610.72 20 PY - 1997/// CY - Thousand Oaks, Calif. PB - Sage Publications KW - Medicine KW - Statistical methods KW - Nonparametric statistics N1 - Includes bibliographical references (p. 283-292) and index ER -