1. Apotekens läkemedelsregister, 1974?1975. Esselte Digitype AB, Stockholm 1974. (A register of Swedish Pharmaceutical Specialities)
2. Nordic statistics on medicines 1975?1977, parts I, II. Statistical reports of the Nordic countries no 35, 36. Helsinki and Oslo: Nordic Council of Medicine, 1979
3. Bergman, U., Elmes, P., Halse, M., Lunde, P. K. M., Sjöqvist, F., Wade, O., Westerholm, B.: The measurement of drug consumption. Drugs for diabetes in Northern Ireland, Norway and Sweden. Eur. J. clin. Pharmacol.8, 83?89 (1975)
4. Bergman, U., Norlin, A., Wiholm, B.-E.: Inadequacies in hospital drug handling. Acta Med. Scand.205, 79?85 (1979)
5. Bergman, U., Grímsson, À., Wahba, À. H. W., Westerholm, B. (eds): Studies in drug utilization ? methods and applications. WHO Regional Publications, European Series no. 8, Copenhagen 1979