Perera, Rafael. Statistics toolkit. - Malden, Mass. : Blackwell, 2008. - v, 112 p. ill. 18 cm. Includes index. ISBN: 9781405161428 LCCN: Subjects--Topical Terms: Medical statisticsMedicineStatistics as TopicResearch Design LC Class. No.: Dewey Class. No.: National Library of Medicine Call No.: WA 39 PS 2008 /