| Category | Number of Articles |
|---|
| Bioacoustics | 39 |
| Biochemical and Biomedical Engineering | 32 |
| Theoretical Biological Physics | 27 |
| Magnetic Resonance | 18 |
| Optical Imaging | 14 |
| Bioengineering | 11 |
| General Engineering: Bioengineering | 11 |
| Nano-, Micro-, and Meso-Technology | 9 |
| Bioinstrumentation | 8 |
| Experimental Biological Physics | 6 |
| Processing | 6 |
| Bioenvironmental Engineering | 5 |
| Cellular Bioengineering | 5 |
| Biomolecular and Biological Physics | 5 |
| Systems and Control | 4 |
| Biomaterials | 4 |
| Signal and Image Processing | 4 |
| Microelectromechanical Systems (MEMS) | 3 |
| Grain Qualities and Properties | 3 |
| Cellular Engineering | 3 |
| Computational Neuroscience | 3 |
| Behavior of Engineering Materials | 3 |
| Bioelectric Phenomena | 2 |
| Soft Materials | 2 |
| Digital Signal and Imaging Processing | 2 |
| Human Factors and Ergonomics | 2 |