1.
Design and Analysis of Cluster Randomisation Trials In Health Research
by Donner, Allan, Klar, Neil S.
ISBN: 9780340691533
List Price: $111.00
2.
Design and Analysis of Cluster Randomization Trials in Health Research
by Donner, Allan, Klar, Neil S.
ISBN: 9780470711002
List Price: $75.00