couple of hours later, there was swelling and reddening of the margins of the ulcers, frequently accompanied by fever up to 38°C. These symptoms lasted for a few hours and subsided spontaneously or with the help of minor analgesics. The patients tolerated this inconvenience, because they soon saw a favorable response. In fact, the latter was dramatic in three of them (patients no. 1, 2, and 4) ...