A prospective study of unexpected, difficult laryngoscopy was carried out. During a 7-month period, all general surgery patients in whom the trachea was intubated were assessed; only those with obvious neck pathology were excluded. Ease or difficulty of laryngoscopy was graded by a standard method. There were no grade 4 cases and no failed intubations in a total of 1387 cases. There were signif...

The paper aims to examine the trends and evolution of ecotourism research in last 20 years, highlighting co-citations, collaborations, emerging themes. A total 1387 ecotourism-related from Web Science (WoS) database 1991 2021 were analyzed some bibliometric analyses using CiteSpace V software. WoS was scanned terms “ecotourism” “eco-tourism.” While scanning, “Hospitality, Leisure, Sport, Touris...

Abstract As discussed in the first chapter, main objective of our work is to generalize Krull-Webster’s theory multiple $$\log \Gamma $$ log Γ -type functions and explore properties these that are analogues classical gamma function.