Oxalic acid is an elicitor of plant programmed cell death during Sclerotinia sclerotiorum disease development
Molecular plant-microbe interactions : MPMI (2008) - Comment
pubmed: 18393620  doi: 10.1094/mpmi-21-5-0605  issn: 0894-0282 

Kyoung Su Kim, Ji-Young Min, Martin B. Dickman