Metastatic Carcinoma of the Neck from Unknown Primary Sites

..671

Aki Nakamura, Hiroyoshi Iguchi, Masahiro Takayama, Makoto Kusuki,
Kishiko Sunami and Hideo Yamane

Statistical Study on the Case of Aural Foreign Bodies

..678

Isao Wada, Yasuhiro Kase and Toshitaka Iinuma

Otitis Media with Effusion: Treatment by Autoinflation Using a Balloon

..685

Hiroshi Ogawa

Role of Beta-catenin Overexpression and Adenomatous Polyposis Coli Mutation
in Head and Neck Cancer

..692

Shin Takei, Yumi Ueno, Junichi Yoda, Shinji Tamura,
Muneki Hotomi, Keiji Fujihara, Kiyonori Kuki and Noboru Yamanaka

Clinical Analysis of Velopharyngeal Incompetence
in Patients with Folded Pharyngeal Flap

..700

Hiroshi Hoshikawa, Rieko Goto, Masayuki Karaki, Kazunori Miyabe
and Nozomu Mori

Relationship between Birch Pollen Counts and Meteorological Factors
for 8 years in Sapporo

..705

Hideaki Shirasaki, Shin-ichirou Narita, Kazumasa Watanabe, Etsuko Kanaizumi,
Jun Satoh, Nobuhiro Konno, Hideki Ogasawara, Tetsuo Yamamoto,
Kohji Asakura, Akikatsu Kataura and Tetsuo Himi