TY  - BOOK
AU  - Williams,W.Roger
TI  - The natural history of cancer : : with special reference  to its causation and prevention / 
PY  - 1908///
CY  - London : 
PB  - William Heinemann, 
KW  - Cáncer
KW  - Neoplasmas
N1  - Incluye bibliografía e índice.
ER  -