Hirotsugu Obama

Separation efficiency of a microfluidic sperm sorter to minimize sperm DNA damage

Kyoko Shirota, Fusanori Yotsumoto, Hiroko Itoh et al. · Fertility and Sterility · 2015 · 128 citations

Infertility, Microfluidic Sperm Sorter, Engineering +10

Transvaginal color Doppler ultrasonic characterization of benign and malignant ovarian cystic teratomas and comparison with serum squamous cell carcinoma antigen

Makoto Emoto, Hirotsugu Obama, S. Horiuchi et al. · Cancer · 2000 · 53 citations · Full text

The Blood Flow Characteristics in Borderline Ovarian Tumors Based on Both Color Doppler Ultrasound and Histopathological Analyses

Makoto Emoto, Toshihiro Udo, Hirotsugu Obama et al. · Gynecologic Oncology · 1998 · 44 citations

Medical Ultrasound, Histopathological Analyses, Radiology +10

Clinical significance of amphiregulin and epidermal growth factor in colostrum

Takeshi Nojiri, Toshiyuki Yoshizato, Tatsuya Fukami et al. · Archives of Gynecology and Obstetrics · 2012 · 30 citations

Animal Physiology, Epidermal Growth Factor, Growth Hormone +5

Clinical significance of cervical length shortening before 31 weeks' gestation assessed by longitudinal observation using transvaginal ultrasonography

Toshiyuki Yoshizato, Hirotsugu Obama, Takeshi Nojiri et al. · Journal of obstetrics and gynaecology research · 2008 · 18 citations