Fish collagen as a potential indicator of severe allergic reactions among patients with fish allergies. Issue 1 (26th October 2021) - Shimojo, Naoshi; Yagami, Akiko; Ohno, Fumiaki; Tsurumi, Yuta; Nakamura, Masashi; Suzuki, Kayoko; Kuwabara, Kazunobu; Futamura, Kyoko; Ohno, Satoshi; Yokogawa, Takashi; Horiguchi, Takahiko; Matsunaga, Kayoko