Value added tax is an indirect tax on supplies of goods, services and similar activities, generated by economic activities and paid for by taxable persons, regardless of their legal status, in an independent manner, which are three conditions, which must be fulfilled cumulatively.At the end of the period (month, Bongs quarter) taxable persons deter
Background and study aims Mucosal traction PURE LEMON JUICE as a supportive technique is very useful for endoscopists during endoscopy.For gastric submucosal tumor (SMT), our team explored a method of pulling the SMT with a snare combined with endoclips (PSMT-SE).This study preliminarily explored its feasibility to assist resection of gastric SMT.P
BackgroundAxillary lymph node metastasis (ALNM) is one of the most important prognostic factors for breast cancer patients, and DNA methylation is involved in ALNM of breast cancer.However, the methylation profile of breast cancer ALNM remains unknown.MethodsBreast cancer tissues were collected from patients with and without ALNM.We investigated th
IntroductionThe severity of Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is often dictated by a range of comorbidities.A considerable literature suggests iron deficiency and iron overload may contribute to increased infection, inflammation and disease severity, although direct causal