Petrie, Aviva. Medical statistics at a glance. - 3rd ed. - Chichester, UK ; Hoboken, NJ : Wiley-Blackwell, 2009. - 180 p. ill. 28 cm. ISBN: 9781405180511 Subjects--Topical Terms: Medical statistics.Statistics as Topic.Research Design. National Library of Medicine Call No.: WA 950 PM 2009