1780
Alveolar bone height was significantly reduced in smokers as compared to non - smokers , the mean + / - SEM being 77 . 9 + / - 1 . 3 % and 82 . 8 + / - 0 . 6 % , respectively ( P less than 0 . 001 ) .
 Anatomy: Alveolar bone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: Alveolar bone