募捐 9月15日2024 – 10月1日2024 关于筹款
2
Sample Size Tables for Clinical Studies, Third Edition

Sample Size Tables for Clinical Studies, Third Edition

David Machin, Michael J. Campbell, Say Beng Tan, Sze Huey Tan(auth.)
年:
2008
语言:
english
文件:
PDF, 3.50 MB
0 / 0
english, 2008
7
Resurrecting Extinct Species: Ethics and Authenticity

Resurrecting Extinct Species: Ethics and Authenticity

Douglas Ian Campbell, Patrick Michael Whittle (auth.)
年:
2017
语言:
english
文件:
PDF, 1.41 MB
0 / 0
english, 2017
8
Emerging Competition in Postal and Delivery Services

Emerging Competition in Postal and Delivery Services

James I. Campbell Jr. (auth.), Michael A. Crew, Paul R. Kleindorfer (eds.)
年:
1999
语言:
english
文件:
PDF, 10.67 MB
0 / 0
english, 1999
11
Epidemiology and Management of Root Diseases

Epidemiology and Management of Root Diseases

C. Lee Campbell BS, MS, PhD, D. Michael Benson BS, MS, PhD (auth.)
年:
1994
语言:
english
文件:
PDF, 18.84 MB
0 / 0
english, 1994