TY - RPRT TI - A nodule-specific sequence encoding a methionine-rich polypeptide, nodulin-21. AU - A J Delauney AU - C I Cheon AU - P J Snyder AU - D P Verma PY - 1990 DO - 10.1007/bf00028782 UR - https://pubmed.ncbi.nlm.nih.gov/2102825/ ID - 2102825 ER -