@article{articled99ce3aa, title = {Polyamine and nitric oxide levels relate with morphogenetic evolution in somatic embryogenesis of Ocotea catharinensis}, author = {Santa-Catarina, Claudete and Silveira, Vanildo and Scherer, Günther F. E and Floh, Eny Iochevet Segal}, year = {2007}, doi = {10.1007/s11240-007-9259-7}, journal = {Plant Cell Tissue Organ Culture} }