Journal of the Medical Association of Thailand Vol 84, No 4:APRIL 2001 0125-2208 84 4 2001 Apr Loop Electrosurgical Excision Procedure (LEEP) at Maharaj Nakorn Chiang Mai Hospital : Problems in Pathologic Evaluation 507 EN Surapan Khunamornpong Kasem Raungrongmorakot Sumalee Siriaunkgul Original Article