1407
The effects of 4 weeks of cyclosporin A ( 7 mg / kg per day ) ( CyA ) on the survival of vascularized osteochondral grafts between rat strains [ DA ( donor ) and Lewis ( recipient ) ] and the presence and significance of host immune tolerance and graft antigen modulation after cessation of immunosuppression have been examined .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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