Have you had a tonsillectomy (your tonsils taken out), appendectomy (your appendix removed) or lumpectomy (removal of a lump from your breast)? The suffix “ectomy” denotes surgical removal of the ...

The importance of power and sample size estimation for study design and analysis. Skip to main content. Subscribe; Log In More. Log in via Institution. Log in via OpenAthens. Log in via RCEM. Log in ...