703
It differs from this and both the classical and connatal forms of PMD in that it is relatively mild in form , onset is delayed beyond age 2 years , nystagmus is absent , tremors are prominent , mental retardation is not severe , some patients show dementia or personality disorders , the disease is progressive rather than static in some , and several females show signs of disease .
 Disease: PMD; Disease: nystagmus; Disease: tremors; Disease: mental retardation; Disease: dementia; Disease: personality disorders
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: PMD; Disease: nystagmus; Disease: tremors; Disease: mental retardation; Disease: dementia; Disease: personality disorders