TY - RPRT TI - Root gravitropism: a complex response to a simple stimulus? AU - E Rosen AU - R Chen AU - P H Masson PY - 1999 DO - 10.1016/s1360-1385(99)01472-7 UR - https://pubmed.ncbi.nlm.nih.gov/10498965/ ID - 10498965 ER -