How many movies have Lino Brocka and Mona Lisa collaborated on?

They have worked on 7 movies together! Their first movie together was Insiang (1976) while their highest rated movie together was Huwag Mong Salingin ang Sugat Ko (1991). They have not worked together since Huwag Mong Salingin ang Sugat Ko (1991). They are most known for their drama films together.