The next morning, the overnight wind had stopped and the sky was warm and clear. I was scheduled to meet with a Ministry of Health practitioner at the City Hall to discuss specific clinical research procedures. The City Hall, located five minutes from the hotel, was a magnificent palace of the former Obrenovich dynasty. The doors were closed as the council was in recess, but a clerk soon appeared at a side entrance and invited us in. We went upstairs through the wide, high-ceilinged entrance and found Professor J, the secretary to the minister of health, and Mr. N waiting for us in the reception room.  At the beginning of the meeting, I introduced the results of a clinical study (double-blind study) on AD being conducted in Japan. The secretary then asked me about the patent for the conditioned medium, and also about the cost of the production facilities and the amount of money involved in importing the conditioned medium from Japan. There was not much I could say about the amount of money, which was embarrassing , but from a positive point of view, it was thought that the Serbian side was seriously considering promoting the project. I replied that the production of conditioned medium in Japan had been almost completely automated, and that if that system was used, mass production and cost reduction would be achieved. After returning to Japan, we decided to continue further negotiations between the working parties. After the meeting, we walked to the nearby Kalmedan Park. From a small hill we could look down on the Saba River as it flows into the Danube. At the confluence of the two rivers stands the Meghdan Fortress, surrounded by a number of museums. We entered one of them, the Military Museum. Serbia is located in the