TY  - BOOK
AU  - SewardE.H.
AU  - Bryce - Smith,R.
TI  - Inhalation Analgesia in child Birth
U1  - 618.45 
PY  - 1957///
CY  - Oxford
PB  - Black Well Scientific Pub
KW  - Childbirth
KW  - Analgesia
KW  - Labor (Obstetrics)
KW  - Nitrous oxide
KW  - Therapeutic use
N1  - Includes index
ER  -