- NCAH
- National Communications Authority Hungary (Governmental)**** North Carolina Arts for Health (Medical » Hospitals)*** Nonclassical Congenital Adrenal Hyperplasia (Medical » Oncology)** National Centers for Animal Health (Medical » Veterinary)* Non-classical Congenital Adrenal Hyperplasia (Medical » Physiology)* North Carolina Association of Historians (Community » Museums)* National Collection Of Animal Helminths (Miscellaneous » Hobbies)* Non-classical Concenital Adrenal Hyperplasia (Medical » Hospitals)* Non-Controlled Access Highway (Governmental » Transportation)
Abbreviations dictionary. 2012.