TY  - BOOK
AU  - Ball, A. P.
AU  - Gray, J. A.
TI  - Infectious diseases
T2  - Colour aids
SN  - 9780443029592 (pbk.)
PY  - 1984///
CY  - Edinburgh ; New York
PB  - Churchill Livingstone
KW  - Communicable Diseases
ER  -