RT Journal Article SR Electronic T1 Cell Wall Loosening by Expansins JF Plant Physiology JO Plant Physiol. FD American Society of Plant Biologists SP 333 OP 339 DO 10.1104/pp.118.2.333 VO 118 IS 2 A1 Cosgrove, Daniel J. YR 1998 UL http://www.plantphysiol.org/content/118/2/333.abstract