Authors:
Bassignano, G.
Ciampi, Antonio
Crivellari, D.
Franceschi, S.
Franchin, G.
Thiffault, J.
Tumolo, S.
Citation: G. Bassignano et al., Missing information and confounding in retrospective studies: statistical methods and an example of data analysis, Statistica applicata, (1), 1990, pp. 37