2577
The aim of this study was to compare the effects of PRP and platelet - poor plasma ( PPP ) on healing of critical - size bone defects . Bilateral full - thickness , critical - size bone defects were created in the parietal bones of 32 rabbits , which had been studied in 4 groups .
 Anatomy: PRP; Anatomy: platelet - poor plasma; Anatomy: PPP; Anatomy: bone; Anatomy: bone; Anatomy: parietal bones
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: PRP; Anatomy: platelet - poor plasma; Anatomy: PPP; Anatomy: bone; Anatomy: bone; Anatomy: parietal bones