information about Primary headache field

Field Hierarchy
Parent
Medicine
49.4M papers
Internal medicine
20.6M papers
Psychology
18.5M papers
Surgery
7.6M papers
Psychiatry
4.5M papers
Anesthesia
2.2M papers
Migraine
71.7k papers
Headaches
31k papers
Current
Primary headache
1,741 papers
Child
Trends