Trial pack of 'Tandem IQ' multivitamins, London, 1989-1991
Trial pack of 'Tandem IQ' multivitamins, London, 1989-1991
"Tandem IQ (Ideal Quota)" trial pack of vitamins and minerals as used in the Darland High School Nutritional Supplementation and IQ trial, by Trufree Health Products (Larkhall Laboratories), London 1989-1991