. . . "Henke's med-math : dosage calculation, preparation & administration" . "Henke's medical maths : dosage calculation, preparation and administration" . . "Henke's med-math : dosage calculation, preparation & administration"@en . . . . . . . . . . "Henke's med-math : dosage calculation, preparation, and administration" . "Med math" . . . . . "Med-math" . . . . . . . "Henke's med-math : dosage calculation, preparation and administration"@en . "Henke's Med-Math : dosage calculation, preparation & administration" . . . "Henke's med-math : dosage calculation, preparation and administration" . . . "Henke's med math" . "Drug Dosage Calculations Nurses' Instruction." . . "Drug Dosage Calculations Programmed Instruction." . . . . "Pharmaceutical arithmetic." . . "Pharmaceutical Preparations administration & dosage Programmed Instruction." . . "Mathematics Programmed Instruction." . . "Mathematics Nurses' Instruction." . . "Arithmétique pharmaceutique." . . "Pharmaceutical Preparations administration & dosage Nurses' Instruction." . .