Intra cranial plasma cell granuloma. Kim DJ, Choi YS, Song YJ, Kim KU, J Korean Neurosurg Soc. 2009 Aug;46(2):161-4
Pituitary hemorrhage : classification and related factors. Kim DJ, Song YJ, Kim SJ, Park MK, Choi SS, Kim KU, J Korean Neurosurg Soc. 2009 Jul;46(1):23-30