Campaign for Human Development (EA)
Cardiac Heart Disease - Medicine (AGLO)
Cartilage Hair Dysplasia (MELL)
Celsea Industries, Inc. (SAUO)
Center for Human Development - University of California, San Diego (RCD)
Centre for Human Development - British (CB)
Chaldron - Unit of measure - Obsolete
Chandler, AZ - Location identifier - FAA (FAAL)
Charles Daly - NCIC firearms make code (NCIC)
Chediak-Higashi Disease - Medicine
Chelsea Industries, Inc. - NYSE symbol (COMM)
Chelsea Resources - Vancouver Stock Exchange symbol
Child (ROG)
Childhood Disease - Medicine
Chord (KSC)
Chronic Hemodialysis - Nephrology
Church & Dwight - NYSE symbol
Church & Dwight Co., Inc. - NYSE symbol (SPSG)
Church and Dwight Company - NYSE symbol
Claw Hand Deformity (MELL)
Cliff Island Boat Doctors, Cliff Island, ME - Manufacturer code for watercraft hull identification number (USCG)
Committee for Handicapable Dancers (EA)
Common Hepatic Duct - Gastroenterology (DAVI)
Compensated Heart Disease (SAUS)
Congenital Heart Defect - Medicine
Congenital Heart Disease - Medicine
Congenital Hip Dislocation (SAUS)
Congenital Hip Dysplasia
Congestive Heart Disease - Cardiology (DAVI)
Conservative Heavy Division - Military technology (DDF)
Constitutional Hepatic Dysfunction (SAUS)
Cordell Hull Dam - TVA
Coronary Heart Disease - Medicine
Corporate Health Dimensions
Correctional Holding Detachment - Military (AABC)
Crimean Hemorrhagic Fever - Medicine (DB)
Cyanotic Heart Disease - Medicine (DB)
Cyclohexadiene - Organic chemistry
Cyclophosphamide, Hexamethylmelamine, Cisplatin - Antineoplastic drug regimen (DAVI)
Doctor of Surgery (SAUO)
Hittite Dictionary of the Oriental Institute of the University of Chicago - A publication (ABAR)
Sierra Chontal de Oaxaca - Language code (ETLW)