9571
Metformin - associated lactic acidosis ( MALA ) is a serious metabolic complication that occurs because of metformin accumulation in patients who become dehydrated or developed acute renal failure .
 lactic acidosis, metformin; lactic acidosis, Metformin
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:
 lactic acidosis, metformin; lactic acidosis, Metformin