Administration of the total dose of radiation (RADIATION DOSAGE) in parts, at timed intervals.
Dose-Response Relationship, Radiation
The relationship between the dose of administered radiation and the response of the organism or tissue to the radiation.
Chemical Fractionation
Separation of a mixture in successive stages, each stage removing from the mixture some proportion of one of the substances, for example by differential solubility in water-solvent mixtures. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Cell Fractionation
Techniques to partition various components of the cell into SUBCELLULAR FRACTIONS.