7316
By means of the in vitro heparin - induced platelet activation ( HIPA ) assay it was shown that standard heparin and the LMW heparins Fragmin and Fraxiparin ( Sanofi Labaz , Munich , FRG ) , as well as the enoxaparine Clexane ( Nattermann , Cologne , FRG ) , all induced platelet activation with the patient 's serum .
 platelet activation, Clexane; platelet activation, Fragmin; platelet activation, Fraxiparin; platelet activation, heparin
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:
 platelet activation, Clexane; platelet activation, Fragmin; platelet activation, Fraxiparin; platelet activation, heparin