TY - RPRT TI - Vitrification, a complementary cryopreservation method for Betula pendula Roth. AU - Leena Ryynänen AU - Tuija Aronen PY - 2005 DO - 10.1016/j.cryobiol.2005.07.006 UR - https://pubmed.ncbi.nlm.nih.gov/16139833/ ID - 16139833 ER -