Changsuhak
By: [chŏja Yi Chŏng-bok ; pʻyŏnjip Ŭihak Chŏnsŏ Pʻyŏnjippu]
Contributors: Kwahak Paekkwa Sajŏn Chʻulpʻansa. Ŭihak Chŏnsŏ Pʻyŏnjippu
Publisher: Kwahak, Paekkwa Sajŏn Chʻulpʻansa
Published: 1987
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 576
Subjects: Geriatrics