14816
Unintended exposure to acyclovir early in pregnancy , which is not uncommon , may cause excessive maternal and physician anxiety .
 excessive maternal and physician anxiety, acyclovir
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:
 excessive maternal and physician anxiety, acyclovir