Sisters was a film directed by the screenwriter who is part of what group of filmmakers?
Sisters (1973 film): Sisters (also known as "Blood Sisters" in the United Kingdom) is a 1973 American psychological horror film directed by Brian De Palma and starring Margot Kidder, Jennifer Salt and Charles Durning. Brian De Palma:  He is considered part of the New Hollywood wave of filmmaking.
i don't know