Association between photosynthesis and contrasting features of minor veins in leaves of summer annuals loading phloem via symplastic versus apoplastic routes.
Muller O, Cohu CM, Stewart JJ, Protheroe JA, Demmig-Adams B, Adams WW. Association between photosynthesis and contrasting features of minor veins in leaves of summer annuals loading phloem via symplastic versus apoplastic routes. Physiol Plant. 2014 Sep; 152(1):174-83.