PMC:1570349 JSONTXT

Spans

Span
2840-2841
3071-3072
3073-3074
3256-3258
4898-4900
7874-7875
9139-9141
16971-16973
18454-18456
18457-18459
18650-18652
19287-19289
23646-23648
25687-25689