Further observations on the relation of the decline in the number of horse-drawn vehicles to the fall in the summer diarrhoea death-rate
J Hyg (Lond)
.
1939 Sep;39(5):558-62.
doi: 10.1017/s0022172400012195.
Author
G S Graham-Smith
PMID:
20475516
PMCID:
PMC2199487
DOI:
10.1017/s0022172400012195
No abstract available