924
In this report , two newborns with congenital heart anomalies demonstrated the harlequin color change , one whose skin findings showed a course related to the dose of systemic prostaglandin E1 , suggesting a possible association .
 harlequin color change, prostaglandin E1
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:
 harlequin color change, prostaglandin E1