| CHC | chromosome condensation; community health center; community health computing; community health counc... |
|---|---|
| DPH | Department of Public Health; diphenhydramine; diphenylhexatriene; diphenylhydantoin; Diploma in Publ... |
| HHA | health hazard appraisal; hereditary hemolytic anemia; home health agency; home health aid; hypothala... |
| HPA | Health Care Practice Act; Health Policy Agenda for the American People; health promotion advocates; ... |
| SI | System of International Units (Systeme International D'unites) |