Research Article

Bibliometric Analysis of Marine Traditional Chinese Medicine in Pharmacopoeia of the People’s Republic of China: Development, Differences, and Trends Directions

Figure 11

Keywords (category 4): cooccurrence atlas and bubble chart based on Chinese literature. (a) Cooccurrence atlas of keywords. (b) Bubble chart of the publication characteristics for the keywords about secretions of animals (top 20); positioned at lines 332–336.