Differential expression of two soybean apyrases, one of which is an early nodulin
Molecular plant-microbe interactions : MPMI (2000) - Comments
doi: 10.1094/mpmi.2000.13.10.1053  issn: 0894-0282  pubmed: 11043467 

R. Bradley Day, Crystal B. McAlvin, John T. Loh, Roxanne L. Denny, Todd C. Wood, Nevin D. Young, Gary Stacey