[Re-interviews improve source-training in Gonorrhoea (author's transl)].

A sample should be given to improve the intensity of contact-tracing. Therefore three re-interviews were performed in two groups of patients suffering on gonorrhoea (Group A=1000;Group B=110 persons) with the aim to find out, how many persons could be traced more by re-interviews and could be found infected with gonorrhoea too. By re-interviews 12.

[Obliteration therapy of varicosis (author's transl)].

In introduction is given into the etiology and pathogenesis of varicosis. The causal therapy of varicosis, obliteration therapy, indication and counterindications, advantages and disadvantages of this method, the choice of an optimum obliterating agent and side effects are discussed.