Observations on the absorption of oral betamethasone 17-valerate and its therapeutic value in ulcerative colitis.

The relevance of these findings to problems of tissue transplantation, in particular graft rejection, is mentioned and discussed. The simplicity of the method of endolymphatic infusion in producing a lymphopenia that may last up to five months makes it a possible alternative to other methods of immunosuppression, particularly in the early phase of tissue transplantation.