000 00524cam a2200205 i 4500
020 _a0721656218
050 0 0 _aMED RK512.N55
_bL36
100 1 _aLanga, Harry.
245 1 0 _aRelative analgesia in dental practice :
250 _a2d ed.
260 _aPhiladelphia :
_bSaunders,
_c1976.
300 _axv, 419 p.
_bill.
650 0 _aNitrous oxide.
650 0 _aAnesthesia in dentistry.
650 2 _aAnalgesia.
650 2 _aAnesthesia, Dental.
650 2 _aNitrous oxide
700 1 _aDiner, Harold.
942 _cBK
999 _c7302
_d7302