SchmitzW. Antibiotics and chemotherapy. In: SchwabeUPaffrathD, eds. Drug prescription report '95. Current data, costs, trends and comments. Stuttgart, Jena: Gustav Fischer Verlag, 1995:57–71 (in German).
2.
AdamDGoertzGHelwigHKnotheHLodeHNaberKGUse of oral antibiotics in practice: Recommendations from a panel of experts at the Paul Ehrlich Society for chemotherapy. Muenchener Medizinische Wochenschrift1993;135:591–8 (in German).
3.
Red list. Register of the special pharmaceutical preparations of the members of the Federal Association of the Pharmaceutical Industry. Aulendorf, Germany: Cantor, 1996.
4.
AltmanDG. Practical statistics for medical research. London: Chapman & Hall, 1991: 161–2.