Medical statistics :
Peat, Jennifer K.,
Medical statistics : a guide to SPSS, data analysis, and critical appraisal / Belinda Barton ; Jennifer Peat - 2nd ed. - xv, 392p. ; ill. ; 24cm
Medical statistics : a guide to SPSS, data analysis, and critical appraisal / Belinda Barton ; Jennifer Peat - 2nd ed. - xv, 392p. ; ill. ; 24cm