Canna~Fangled Abstracts Cannabinoid Receptor-2 Regulates Embryonic Hematopoietic Stem Cell Development via PGE2 and P-selectin Activity. 2015 Apr 30. doi: 10.1002/stem.2044. Esain V1, Kwan W, Carroll KJ, Cortes M, Liu SY, Frechette GM, Sheward LM, Nissim S, Goessling W, North…Freedom WaresApril 30, 2015