دوريات أكاديمية 85 مجلات 2 مواد مؤتمر 1

covid-19 25 sars-cov-2 22 human 17 surgery 16 neoplasm 14 time-to-treatment 14 pandemic 12 female 10 aged 9 comorbidity 9 male 9 middle aged 9 operative 9 surgical procedures 9 البشر 8 80 and over 7 health care 6 outcome assessment 6 [sdv.can]life sciences [q-bio]/cancer 5 adult 5 communicable disease control 5 general medicine 5 life sciences & biomedicine 5 الأورام 5 oncology 5 postoperative complication 5 science & technology 5 settore med/18 - chirurgia generale 5 withholding treatment 5 pandemics 4 proportional hazards model 4 prospective studie 4 [sdv.mhep]life sciences [q-bio]/human health and pathology 3 03 medical and health sciences 3 0302 clinical medicine 3 030230 surgery 3 الأعمال 3 business.industry 3 السرطان 3 cohort studie 3 cohort study 3 covidsurg collaborative 3 elective surgery 3 elective surgical procedure 3 elective surgical procedures 3  أمراض الجهاز الهضمي 3 الطب 3 medicine.disease 3 medicine.medical_specialty 3 neoplasias retais 3

 مطبعة جامعة أكسفورد 8 oxford university press (oup) 6 american society of clinical oncology 5 elsevier bv 4  إلزيفير المحدودة 4 hal ccsd 3 john wiley and sons ltd 3 oxford univ press 3 georg thieme verlag kg 2 سبرينغر ناتشر 2 وايلي 2 blackwell science limited 1 country:gb 1 إلزيفير 1 nlm (medline) 1 place:111 river st, hoboken 07030-5774, nj usa 1 springer science and business media llc 1 wiley blackwell publishing 1

الإنجليزية 93 غير محدد 7 unknown 4

issn: 0732-183x 3 diseases of the esophagus ; volume 33, issue supplement_1 ; issn 1120-8694 1442-2050 2 surgical endoscopy & other interventional techniques 2 2474-9842 ; bjs open 1 british journal of surgery ; issn: 0007-1323 ; issn: 1365-2168 1 esge days 2019 ; endoscopy ; issn 1438-8812 1 international journal of radiation oncology, biology, physics 1 journal of clinical oncology ; issn: 0732-183x ; issn: 1527-7755 1 journal of coloproctology 1 surgical endoscopy 1

BASE 90 OpenAIRE 11 Academic Search Index 2 فهرس تكميلي 2 فهرس مكمل 1

Biblioteca Digital Da Producao Intelectual Da Universidade De Sao Paulo 6 Iris Universita Degli Studi Di Bologna (Cris - Current Research Information System) 6 Universita Degli Studi Del Piemonte Orientale: Cineca Iris 4 Universita Degli Studi Di Ferrara: Cineca Iris 4 Arpi - Archivio Della Ricerca Dell'universita Di Pisa 3 Padua Research Archive (Iris - Universita Degli Studi Di Padova) 3 The University Of Liverpool Repository 3 Universita Degli Studi Di Cagliari: Unica Iris 3 Universita Di Parma: Cineca Iris 3 University College London: Ucl Discovery 3 Ghent University Academic Bibliography 2 Iris Universita Degli Studi Di Napoli Federico Ii 2 Iris Universita Degli Studi Di Palermo 2 Queen Mary University Of London: Queen Mary Research Online (Qmro) 2 Sapienza Universita Di Roma: Cineca Iris 2 Sciencedirect (Elsevier - Open Access Articles Via Crossref) 2 The University Of Milan: Archivio Istituzionale Della Ricerca (Air) 2 Universita Degli Studi Della Campania "Luigi Vanvitelli": Cineca Iris V: 2 Universita Degli Studi Di Foggia: Cineca Iris Institutional Research Information System 2 Universita Degli Studi Di Genova: Cineca Iris 2 Universita Degli Studi Di Milano-Bicocca: Boa (Bicocca Open Archive) 2 Archivio Della Ricerca Dell'universita Di Modena E Reggio Emilia (Unimore: Iris) 1 Imperial College London: Spiral 1 Irinsubria - Institutional Repository Insubria (Universita Degli Studi Dell'insubria) 1 Irua - Institutional Repository Van De Universiteit Antwerpen 1 Lilloa (Hal Lille Open Archive, Universite De Lille) 1 Lilloa (Lille Open Archive - Universite De Lille) 1 Reseau International Des Instituts Pasteur, Paris: Hal-Riip 1 Rwth Aachen University: Rwth Publications 1 Universita Degli Studi Di Brescia: Openbs - Open Archive Unibs 1 Universita Degli Studi Di Torino: Aperto (Archivio Istituzionale Ad Accesso Aperto) 1 Universita Del Salento: Cineca Iris 1 Universite De Lorraine: Hal 1 White Rose Research Online (Universities Of Leeds, Sheffield & York) 1