SPARC promotes production of type IV and VII collagen and their skin basement membrane accumulation. Issue 2 (August 2022) - Nakamura, Tomomi; Yoshida, Hiroyuki; Ota, Yukiko; Endo, Yoko; Sayo, Tetsuya; Hanai, Ushio; Imagawa, Kotaro; Sasaki, Masashi; Takahashi, Yoshito