ATRA

Army Training and Recruitment Agency.

Atra

(Latin) dark, gloomy.
Found on http://www.hestories.info/greco-roman-world-glossary.html

ATRA

All-trans retinoic acid
Found on http://www.translationdirectory.com/glossaries/glossary124.htm

ATRA

A nutrient that the body needs in small amounts to function and stay healthy. ATRA is made in the body from vitamin A and helps cells to grow and develop, especially in the embryo. A form of ATRA made in the laboratory is put on the skin to treat conditions such as acne and is taken by mouth to treat acute promyelocytic leukemia (a fast-growing can...
Found on http://www.cancer.gov/dictionary?expand=A
No exact match found