To develop and validate simple, precise, and eco-friendly UV spectrophotometric methods for the simultaneous estimation of etoricoxib (ETO) and tramadol hydrochloride (TRA) in combined dosage form.

Heart failure (HF), also referred to as congestive heart failure, is the severe end stage of several cardiovascular disorders, such as hypertension, coronary heart disease, heart inflammation, and ...

Simultaneous equations are two or more equations with two or more variables. They are simultaneous because they can be solved to give values for the variables that are equal in each equation. This is ...