How many movies have Luciano Martino and Maurizio Salvatori collaborated on?

They have worked on 2 movies together! Their first movie together was Human Cobras (1971) while their highest rated movie together was Mezzo destro mezzo sinistro - 2 calciatori senza pallone (1985). They have not worked together since Mezzo destro mezzo sinistro - 2 calciatori senza pallone (1985).