Change in obstetric attendance and activities during the COVID-19 pandemic

Khalil A., von Dadelszen P., Kalafat E., Sebghati M., Ladhani S., Ugwumadu A., ...Daha Fazla

The Lancet Infectious Diseases, cilt.21, sa.5, 2021 (SCI-Expanded, Scopus)

  • Yayın Türü: Makale / Kısa Makale
  • Cilt numarası: 21 Sayı: 5
  • Basım Tarihi: 2021
  • Doi Numarası: 10.1016/s1473-3099(20)30779-9
  • Dergi Adı: The Lancet Infectious Diseases
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, CAB Abstracts, CINAHL, EMBASE, Food Science & Technology Abstracts, MEDLINE, Veterinary Science Database
  • Orta Doğu Teknik Üniversitesi Adresli: Hayır

Özet

Proof systems for the Relativized Propositional Calculus are defined and compared.