4116
Isolated peripheral blood cell types from the doubly heterozygous mother of the affected males seemingly failed to express the G - 6 - PD allele in cis position with the WAS allele while her cultured skin fibroblasts expressed both G - 6 - PD alleles .
 WAS
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 WAS