TY - RPRT TI - A study of sieve element starch using sequential enzymatic digestion and electron microscopy. AU - B A Palevitz AU - E H Newcomb PY - 1970 DO - 10.1083/jcb.45.2.383 UR - https://pubmed.ncbi.nlm.nih.gov/5513608/ ID - 5513608 ER -