title: Application of the "rule of 72" in medical physics and dosimetry.
abstract: The "rule of 72," commonly applied to financial questions, is discussed as to its applicability in medical physics and dosimetry.
authors.affiliation: Department of Radiation Physics, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.
authors.forename: J L
authors.initials: JL
authors.lastname: Horton
mesh_terms: D006207:Half-Life; D006801:Humans; D011829:Radiation Dosage