Previous to the onset of the present economic depression, numerous experiments in changing the nature and methods of medical practice had been evolved and were in operation. In foreign countries panel systems, krankenkassen and other forms of state medicine had been introduced. In our own country such modifications in medical practice as the group, the university clinic, the cooperative laboratory, the hospital as a center, and similar organizations and institutions had begun to have their effect on medical practice and on public opinion in relation thereto. Moreover, agitation and propaganda were stimulating new efforts in this direction, presumably always with altruistic motives. Then came the "crash." It acted like a ferment in stimulating new ventures which promised either definite or large returns to physicians who would permit indirect marketing of their services.
Elsewhere in this issue appears a brief outline concerning two corporations established to sell the services of physicians