2549
Although the sP120T substitution also impaired HBsAg secretion , it did not enhance the replication of LAM - resistant clones .
 HBsAg, LAM
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 HBsAg, LAM