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Thrombotic thrombocytopenic purpura ( TTP ) developed in a patient with seropositive rheumatoid arthritis ( RA ) after 2 1/2 months of treatment with penicillamine .
 Thrombotic thrombocytopenic purpura, penicillamine; TTP, penicillamine
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 Thrombotic thrombocytopenic purpura, penicillamine; TTP, penicillamine