In the sentence extracted from biomedical literature, identify all the chemical entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="chemical"> to denote a chemical.

### Input Text: Diabetic rats progressively developed albuminuria reaching 40 . 3 ( 32 . 2 - 62 . 0 ) mg / 24 h after 8 months in contrast to the control animals ( 0 . 8 ( 0 . 2 - 0 . 9 ) mg / 24 h , p < 0 . 002 ) .
### Output Text:
Diabetic rats progressively developed albuminuria reaching 40 . 3 ( 32 . 2 - 62 . 0 ) mg / 24 h after 8 months in contrast to the control animals ( 0 . 8 ( 0 . 2 - 0 . 9 ) mg / 24 h , p < 0 . 002 ) . 