Rus. Medical. Vѣsti. No. 4 for 1902
 Based on 20 cases of the use of anti-diphtheria serum in pertussis patients, the author of the lock "definitely, precisely, consciously, actually reasonably" expresses the following propositions: 1) two many 3 injections are enough (per 1000 units of antitoxic.), So that the time of the flow of whooping cough only takes two weeks 2) to prevent the stages of seizures 3) if seizures occur, then after the 3rd injection, as a rule, they quickly completely stop 4) the manifestations of whooping cough abruptly decrease in a day after injection and completely disappeared at the beginning of the 3rd week, and not rarely at the end of the second 5) no particularly sharp reaction from the injection can be noted 6) injection to healthy children warns them of the disease. The author used Inst. Let's experiment. Medicine by injecting at intervals (usually) for 2 or 3 days.