PMC9112170_01
PMC9112170_02
PMC9112170_03
PMC9112170_04
Insertion of the needle at T6-T7: (A) paramedian approach (Case 1), (B) median approach (Case 2).
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PMC9112170_04_LRA-15-23-g0001.jpg
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Braun Medical Inc., Melsungen, Germany), as shown in Figure 1.