text_1: Twenty-six-month-old boy.  Serum sickness.  This kid came in first with hives on amoxicillin, no mucus membrane involvement.  Then his ankles were swollen and tender and he wouldn't walk and he had a fever.  "The question was, what caused this?  Was it a serum sickness?  Was it . . . ?  It wasn't Stevens Johnson Syndrome."
text_2: What is the cause and treatment of this old man's stomatitis?