. . . . . "Allergy and hypersensitivity; a programmed review for physicians, developed by Basic Systems, inc., in collaboration with Pfizer Laboratories' Spectrum" . "Allergy and hypersensitivity; a programmed review for physicians" . . . . . . . . . . . . "Hypersensibilité Enseignement programmé" . . "Allergie Enseignement programmé" . . "Hypersensitivity Outlines." . . . . "Hypersensitivity Programmed Instruction." . .