Abstract Background A variety of policies have been implemented around the world in response to the COVID-19 pandemic.This study originally aimed to identify and compare policy responses of different countries and their effects on the pandemic.It quickly evolved into Baby Bottles an identification of the heterogeneity among existing policies and th
Objectives: The clinical value of T wave inversion in lead aVL in diagnosing coronary artery disease (CAD) remains unclear.This study aims to investigate the correlation between aVL T wave inversion and CAD in patients with chronic stable angina.Methods: Electrocardiograms (ECGs) of 257 consecutive patients undergoing coronary angiography were anal
With the increasingly serious environmental pollution, it is of great significance to construct a comprehensive day-ahead dispatch model of the integrated energy system.For the regional electricity-heat integrated energy system, firstly analyze the operating characteristics and dispatch costs of all units in the system, and then establish the day-a
This study aimed to explore mathematical concepts in the local Fan Shop - Licensed Baseball - Clothing culture known as ethnomathematics.The culture examined in this study is the Serampang XII Dance performance, originating from the Deli Malay ethnic group in the province of North Sumatra.This qualitative descriptive research adopts an ethnographic