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. 2013 Oct 17;14:709. doi: 10.1186/1471-2164-14-709

Table 1.

Experimental design of the study

Study group Age (weeks)
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Cpn group
 ▪
  
 ▪
  
 ▪
  
  
  
  
  
  
  
  
  
  
 †
Aa group
  
  
  
  
  
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 †
Cpn + Aa group
 ▪
  
 ▪
  
 ▪
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 ●
 †
Control □   □   □ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ †

The black squares represent Cpn inoculations and the black circles Aa inoculations. The controls received the respective vehicle (white squares and circles). †, sacrifice; Aa, A. actinomycetemcomitans; Cpn, C. pneumoniae.