Math difficulty is still not well understood. But a systems approach may lead to advances in diagnosis and treatment.

Specifically, the 3-layers cell number gradient structure (DPCDH-4) achieves a 30.75% increase in energy absorption compared to the uniform structure under quasi-static compression. Additionally, the ...

Although conventional topical approaches for treating psoriasis have been offered as an alternative, there are still unmet medical needs such as low skin-penetrating efficacy and off-target adverse ...

Number at the beginning, special character, hyphen are not allowed when naming a variable. A variable can have a short name (like x, y, z), but a more descriptive name (firstname, lastname, age, ...