4050
The present study constitutes the first attempt to characterize the deficient G6PD variants found in Spain and supplies new data on the relationship between molecular characteristics of deficient variants and their clinical manifestations .
 deficient G6PD
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 deficient G6PD