DVD bukku Suimin shisei, kubi shisei o tadasu!
Subtitle: taisō de kaimin
By: Yamada Shuori cho
Series: Dībuidī bukku; Dībuidī bukku
Publisher: Bēsubōru Magajin sha
Published: 2014
Place of publication: Tōkyō
Language: jpn
Number of pages: 79
ISBN-13: 9784583105765
Subjects: Alternative treatment; Neck pain; Pillows; Sleep positions; Physical fitness; Treatment; Health aspects; Popular works; Posture