There are multiple definitions:

1. doctor of public health(English)

   • Public Health, Specialist / expert

2. doctor of public hygiene(English)

   • Specialist / expert

3. Department of Public Health(English)

   • Public Health

4. diphenhydramine(English)

   • a safe, effective and widely used over-the-counter antihistamine that helps relieve allergy symptoms, cold symptoms, and aid in sleep
   • CNS, EEG
   • Allergy, Therapeutic approaches, Sleep medicine
   • https://doi.org…000000000000304