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: He was resuscitated with high dose ( 13 . 5 g ) intravenous calcium and adrenaline ( epinephrine ) .
### Output Text:
He was resuscitated with high dose ( 13 . 5 g ) intravenous <span class="chemical">calcium</span> and <span class="chemical">adrenaline</span> ( <span class="chemical">epinephrine</span> ) . 