RT Journal Article SR Electronic T1 Leaf Vascular Pattern Formation. JF The Plant Cell JO Plant Cell FD American Society of Plant Biologists SP 1121 OP 1135 DO 10.1105/tpc.9.7.1121 VO 9 IS 7 A1 Nelson, T. A1 Dengler, N. YR 1997 UL http://www.plantcell.org/content/9/7/1121.abstract AB