From: Effects of the National Essential Medicine System in reducing drug prices: an empirical study in four Chinese provinces
Clinical pharmacology classification
N
Price change (%)
Ophthalmic medicine
62
−35.4
Internal medicine
2309
−25.6
Surgical medicine
199
−25.5
Gynecological medicine
159
−24.2
Orthopedic medicine
288
−11.6
Ear, nose, and throat medicine
74
7.4