4027
The segmental and regional projections of the sciatic , tibial and common peroneal nerves to the substantia gelatinosa of the spinal cord in rats - - an experimental study by means of an acid phosphatase ( ACP ) method .
 acid phosphatase, ACP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 acid phosphatase, ACP