Jaykaran. Statistical tests in medical research / Jaykaran ; foreward SK Vajpayee. - New Delhi : Jaypee Brothers Medical Pub, c2011. - xi, 181 p. : ill. ; 18 cm. Includes index. ISBN: 9789350251607 (pbk.) Subjects--Topical Terms: Medicine--Research--Statistical methodsBiometry. Dewey Class. No.: 610.72 / JAY 2011