Author

Tatsutoshi Sugiyama

Institution: Asahikawa Medical University

Observed institution: Asahikawa Medical University

ORCID: 0009-0006-3723-1357

Observed ORCID: 0009-0006-3723-1357

OpenAlex ID: A5066458828

Reticulocyte hemoglobin content changes after treatment of anemia of prematurity

2022 · Mitsumaro Nii, Toshio Okamoto, et al. · Pediatrics International · 5

A novel HECW2 variant in an infant with congenital long QT syndrome

2023 · Rina Imanishi, Kouichi Nakau, et al. · Human Genome Variation · 4

Two patients of trisomy 21 with transient abnormal myelopoiesis with hypereosinophilia without blasts in peripheral blood smears

2020 · Toshio Okamoto, Ken Nagaya, et al. · Pediatric Hematology and Oncology · 4

Vitamin D status and the adequacy of its supplementation during the first year of life in preterm infants in northern Japan

2025 · Fumikatsu Nohara, Toshio Okamoto, et al. · Pediatrics & Neonatology · 2

Impact of visitation restrictions in neonatal intensive care units during the COVID ‐19 pandemic on parents in northern Hokkaido, Japan

2024 · Ken Nagaya, Toshio Okamoto, et al. · Journal of Paediatrics and Child Health · 2

Urinary Tetrahydrocortisol/Tetrahydrocortisone Ratio at Early Postnatal Period Predict Steroid Dependency and Neonatal Condition in Preterm Infant

2021 · Ken Nagaya, Toshio Okamoto, et al. · Research Square

Works count: 6

Citation count: 17

H-index: 3

I10-index: