Table 1: Inclusion and Exclusion Criteria.

Inclusion criteria:

1. Original article, Comparative study, Case report, Case series

2. Two-staged heterodigital or standard cross finger flap or modified cross finger flap.

Exclusion criteria:

1. Review article.

2. Any heterodigital flap based on neurovascular pedicle (proper digital artery) that did not had any intermediate syndactylised stage.