TY - BOOK AU - Rao, P. S. S. Sundar AU - Richard, J. TI - Introduction to biostatistics and research methods SN - 9788120328761 U1 - 570.15195072 RAO PY - 2008/// CY - New Delhi PB - Prentice-Hall of India KW - Clinical methods KW - Probability N1 - Includes bibliographical references (pg251 -258) and index ER -