TY  - BOOK
AU  - Avery,Margaret Anne
TI  - A textbook of hygiene for training colleges / 
U1  - 371.71  23 
PY  - 1951/// [printing 1956]
CY  - Lond.
PB  - Methun & co ltd, 
KW  - Hygiene
KW  - Special school health
ER  -