Other options in therapy include topical corticosteroids, psoralen plus exposure to ultraviolet A radiation (PUVA), tar, and vitamin D3 analogues. Empiric treatment for streptococcal infection and ...

DNA (deoxyribonucleic acid) is the nucleic acid polymer that forms the genetic code for a cell or virus. Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each ...