| Literature DB >> 3824269 |
A G Davison, P M Fayers, A J Nunn, K M Venables, A J Taylor.
Abstract
Tables are presented showing estimates of the number of subjects which is required to give an 80% or 90% chance of detecting various differences in forced expiratory volume in one second, forced vital capacity, total lung capacity, transfer factor, and residual volume between the mean of two groups by means of Student's t test.Entities:
Mesh：
Year: 1986 PMID： 3824269 PMCID： PMC460506 DOI： 10.1136/thx.41.11.830
Source DB: PubMed Journal: Thorax ISSN： 0040-6376 Impact factor: 9.139