1854
A syndrome of microcephaly , progressive postnatal growth deficiency , and mental retardation was observed in two brothers and their cousin from a multiply consanguineous kindred of Lebanese descent .
 microcephaly, postnatal growth deficiency, mental retardation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 microcephaly, postnatal growth deficiency, mental retardation