TY - GEN AU - Ballal,Vasudev TI - Smear layer removal agents SN - 1329-1947 PY - 2009///0720 KW - Citric Acid KW - Doxycycline KW - Edetic Acid KW - Humans KW - Polysorbates KW - Root Canal Irrigants KW - Root Canal Preparation KW - methods KW - Smear Layer N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1111/j.1747-4477.2009.00167.x ER -