Table 5.

List of most cited papers (more than five times) as reference for the definition of the general codified animal-based measures term and number of documents in which they are cited in the corpus of the 199 retained papers.

	Number of documents
Welfare Quality® (9)	22
Whey et al. (39)	15
EFSA (6)	14
Main et al. (7)	8
Main et al. (42)	8
Johnsen et al. (43)	7
Webster et al. (44)	7
Blokhuis et al. (5)	6
Capdeville and Veissier (3)	6
Botreau et al. (45)	5
Keeling and Veissier (8)	5