TY  - BOOK
AU  - R A LYSTER
TI  - A FIRST COURSE IN HYGIENE
SN  - 0 7231 0433 6
U1  - GN613 L989F 
PY  - 1959///
CY  - LONDON
PB  - UNIVEERSITY TUTORIAL PRESS LTD
KW  - A FIRST COURSE IN HYGIENE
ER  -