“…Favourable results have been reported in manic-depressive psychosis, in cases of involutional depression, and in the small number of cases of severe hysteria which have so far been published the effects reported have been very striking indeed. Cook and Ogden (1938) were impressed with the favourable results in cases of schizophrenia which showed depressive features, and have published the results in a small series of cases of affective psychosis. It was noteworthy that in their cases the change in mood occurred after only a few injections and that a full course was not necessary.…”