3449
RESULTS : There were no significant differences in the mean serum vitamin A , E concentrations and vitamin E / cholesterol ratio between pregnant women with normal hemoglobin and hemoglobinopathies , while confounding variables that might affect serum vitamin levels i . e . maternal age , gravida , BMI , gestational age , hematocrit , hemoglobin , mean corpuscular hemoglobin concentration and blood group were not different .
 GENE: hemoglobin; GENE: hemoglobin; 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; GENE: hemoglobin; GENE: hemoglobin