1. Polar auxin transport is implicated in vessel differentiation and spatial patterning during secondary growth in Populus. Issue 2 (8th March 2018) Authors: Johnson, Dan; Eckart, Phoebe; Alsamadisi, Noah; Noble, Hilary; Martin, Celia; Spicer, Rachel Journal: American journal of botany Issue: Volume 105:Issue 2(2018) Page Start: 186 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗