Letter to the Editor on "A procedure for group sequential comparative Poisson trials" by Xia and Hoover.
a PharmClint Co. , Ardsley , New York , USA.
Xi
X
Chen
D000465:Algorithms; D002986:Clinical Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data; D006801:Humans; D015233:Models, Statistical; D016012:Poisson Distribution