Zaitaku rōjin no riyō to fukushi
By: [henshū Tōkyō-to Rōjin Sōgō Kenkyūjo]
Series: Zerontorojī kōkai kōza -- dai 15-kai
Publisher: Tōkyō-to Rōjin Sōgō Kenkyūjo; Tōkyō-to Yōikuin Fuzoku Byōin
Published: 1981
Place of publication: Tōkyō
Language: jpn
Number of pages: 59