TY - GEN AU - Tyree,M T TI - Maple sap uptake, exudation, and pressure changes correlated with freezing exotherms and thawing endotherms SN - 0032-0889 PY - 2010///0629 N1 - Publication Type: Journal Article UR - https://doi.org/10.1104/pp.73.2.277 ER -