Generic drug substitution can markedly decrease the cost of health care. For conditions where agents have a relatively narrow therapeutic index, notably epilepsy, financial savings through generic ...

Substitution means putting numbers in place of letters to calculate the value of an expression. The bracket has been worked out first. \(2 + (-8)^2 = 2 + 64\). \(-8^2\) means \(-8 \times -8 ...

SARS-CoV-2 secondary structure shapes mutation frequencies, constraining viral evolution models predicting fitness can benefit from integrating secondary structure data.