TY  - RPRT
TI  - Common components in pollen extracts.
AU  - A Dirksen
AU  - O Osterballe
PY  - 1980
DO  - 10.1111/j.1398-9995.1980.tb01812.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7468947/
ID  - 7468947
ER  -