8.It reviewd the effect of sex steroidhormone in vocal learning of young bird and song plasticity of adult bird in the level of neuron,circuits and behavior.
9.The effect of FCA-iRNA antibacterial-iRNA, human spleen RNA and Yeast-RNA resisting thymic involution was compared using the experimental modelof mice with thymic involution induced by steroidhormone.
10.The other important factors to increase the cure rate were adequate application of antibiotic, steroidhormone, and rinsing of maxillary sinus could produce cure rate and reduce the recurrence.