TY  - GEN
AU  - DURHAM,O C
TI  - Pollen prevalence and pollen-free areas
SN  - 0002-9955
PY  - 2004///0215
KW  - Allergens
KW  - Pollen
KW  - Prevalence
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1001/jama.1952.02930090026007
ER  -