information about APX field

Field Hierarchy
Parent
Medicine
50.4M papers
Biology
36.7M papers
Physics
33.6M papers
Chemistry
29.4M papers
Internal medicine
21.1M papers
Biochemistry
13.8M papers
Organic chemistry
13.1M papers
Endocrinology
5.3M papers
Enzyme
2.6M papers
Antioxidant
604k papers
Current
APX
7,825 papers
Child
Trends