The Kitasato Medical Journal
	Vol. 52 No. 2   Sep. 2022    Kitasato Medical Society
	ISSN(Print):1349-8568  ISSN(Online):2187-9699
CONTENTS
● Original Contributions
	Association of ear-cleaning habits involving the deep bony portion with perilymph fistula of the oval window
	Tomoyuki Nagai, Makito Okamoto	67
	Construction of persistently infected cells of SARS-CoV-2 Delta strain using Caco-2 cells
	Isao Yoshida, Mami Nagashima, Hiroyuki Asakura, Takayuki Shinkai, Kenji Sadamasu	73
	Higher prostaglandin E-major urinary metabolite levels in male versus female students and a small decrease during the menstrual cycle
	Isao Okayasu, Hatsumi Kuroiwa, Kanako Shinkawa, Kaori Hayashi, Seiichi Sato, Noboru Iwata, Ryo Sekizaki, Kazuyuki Umeda, Hiromitsu Ohnishi	81
	Nasalance scores in normal adult Japanese speakers of the Tokyo dialect
	Keiko Suzuki, Yoko Mizuto, Takemi Mochida, Takayuki Sugimoto, Yasuharu Yamazaki	90
	Changes in the speech behavior of Japanese adult speakers who stutter: Speech analysis using acoustic measurements after three fluency shaping treatments
	Wakana Hata, Kentaro Yoshizawa, Yuki Hara, Takeshi Murakami, Masaru Ichikawa, Yoko Mizuto, Sayano Kamioka, Michinari Fukuda	98
	The isolation rate of the severe acute respiratory syndrome coronavirus 2 Omicron variant strains using Vero lineage cells
	Isao Yoshida, Mami Nagashima, Hiroyuki Asakura, Noeru Hasegawa, Takayuki Shinkai, Kenji Sadamasu	105
	Relationship between stuttering symptoms and speech content in early childhood: explanation of "here-and-now" events and "non-here-and-now" events
	Yuki Hara, Wakana Hata, Yoko Mizuto, Takeshi Murakami, Masaru Ichikawa, Sayano Kamioka, Ikuyo Ishizaka	112
Information for Authors		119