title: A note on sample size determination for comparison of small probabilities.
authors.forename: I
authors.initials: I
authors.lastname: Gordon
authors.forename: R
authors.initials: R
authors.lastname: Watson
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D006801:Humans; D008403:Mass Screening / Q000706:statistics & numerical data; D015233:Models, Statistical; D009369:Neoplasms / Q000401:mortality / Q000517:prevention & control; D011336:Probability; D015203:Reproducibility of Results