TY - RPRT TI - Polyamines, DNA methylation and cell differentiation. AU - O Heby AU - L Persson AU - S S Smith PY - 1988 DO - 10.1007/978-1-4684-5637-0_26 UR - https://pubmed.ncbi.nlm.nih.gov/3076327/ ID - 3076327 ER -