title: Number of phones for telephone randomization.
authors.forename: L A
authors.initials: LA
authors.lastname: Kalish
authors.forename: H A
authors.initials: HA
authors.lastname: Feldman
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D013689:Telephone / Q000600:supply & distribution*