12658
Although other nitrites induce methemoglobinemia , exposure to methyl nitrite during phenylpropanolamine production appears to be a new cause of occupational methemoglobinemia .
 methemoglobinemia, methyl nitrite; methemoglobinemia, methyl nitrite
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:
 methemoglobinemia, methyl nitrite; methemoglobinemia, methyl nitrite