3368
These results indicate that patients with SS and evidence of exercise - induced ST - segment depression may have decreased myocardial oxygen supply due to low hemoglobin levels and increased myocardial oxygen demand ( elevated double products ) when compared to subjects with SS who do not have exercise - induced ST - segment depression .
 GENE: hemoglobin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: hemoglobin