TY - GEN AU - Perkulis,B AU - Engelhard,W E AU - Kramer,W S TI - Ultrasonics and benzalkonium chloride as a method of sterilizing dental instruments SN - 1945-1954 PY - 1970///0306 KW - Benzalkonium Compounds KW - Dental Instruments KW - Sterilization KW - Ultrasonics N1 - Publication Type: Journal Article ER -