Bibliography (5):

1. BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding

2. Attention Is All You Need

3. https://github.com/naver/biobert-pretrained

4. https://github.com/dmis-lab/biobert

5. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/F-score  :

      https://en.wikipedia.org/wiki/F-score