TY  - RPRT
TI  - Ragweed pollen generation and sampling methods for filtration studies.
AU  - W K Lautner
AU  - G T Fisher
PY  - 1975
DO  - 10.1080/0002889758507252
UR  - https://pubmed.ncbi.nlm.nih.gov/1130283/
ID  - 1130283
ER  -