Samenvatting
The main theme of this seminar was breath tests. Papers presented at the seminar were- detection and determination of alcohol and drugs (Dubowski, K.M.). Problems of enforcement (Borkenstein, R.F.). Breath and blood tests in Sweden from February 1st, 1975 to December 31st, 1977 (Jagefors, S.) Random road tests in non-accident and accident involved drivers-epidemiological data, differential characteristics and role of alcoholism (Goldberg, L.).