The Design of Studies for Medical Research girro 2015年5月28日 17 阅读 0 评论 未分类 The Design of Studies for Medical Research by: David Machin, Michael J. Campbell Print length: 286 Publication Date: 2005-05-06 ISBN-10: 0470844957 ISBN-13: 9780470844953 代发服务PDF电子书10元立即求助