| DOHyg | Diploma in Occupational Hygiene |
|---|---|
| DPH | Department of Public Health; diphenhydramine; diphenylhexatriene; diphenylhydantoin; Diploma in Publ... |
| DrHyg | Doctor of Hygiene |
| DrPH | Doctor of Public Health; Doctor of Public Hygiene |
| DVH | Diploma in Veterinary Hygiene; Division for the Visually Handicapped; dose volume histogram |