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Two documentaries — about an effort to bring health care to the world's poorest areas and a deep dive into The Grateful Dead — have been added to the slate of films for the 2017 Sundance Film Festival.

Also added to the festival roster, the Sundance Institute announced Wednesday, are two independent classics: Quentin Tarantino's 1992 mobster debut "Reservoir Dogs" and the groundbreaking 1985 lesbian romance "Desert Hearts."

The two new films, both appearing in the Documentary Premieres program, are:

• "Bending the Arc," directed by Kief Davidson and written by Cori Shepherd Stern, follows the 30-year journey of doctors and activists to bring quality health care to everyone — even in the world's poorest regions.

• "Long Strange Trip," in which director Amir Bar-Lev ("My Kid Could Paint That," SFF '07; "The Tillman Story," SFF '10; "Happy Valley," SFF '14) gives an unvarnished look at The Grateful Dead, using interviews and never-before-seen footage.

The screenings of "Reservoir Dogs" and "Desert Hearts" will be included in the From the Collection program, which showcases classic independent films.

• "Desert Hearts" (1985), directed by Donna Deitch and adapted from Jane Rule's novel by Natalie Cooper, centers on a professor (Helen Shaver), staying at a ranch in Reno in 1959 to get a quickie divorce — and falling in love with the rancher's self-assured daughter (Patricia Charbonneau). The festival will screen a new digitally restored version by the Criterion Collection and UCLA Film & Television Archive, in conjunction with the Sundance Institute and Outfest UCLA Legacy Project.

• "Reservoir Dogs" (1992), Tarantino's debut as a writer and director, is a kinetic and blood-soaked thriller about a motley group of criminals caught in a heist gone wrong. The cast includes Harvey Keitel, Tim Roth, Michael Madsen, Steve Buscemi, Chris Penn, Lawrence Tierney and Tarantino himself. Miramax will provide a new 35mm print for this 25th-anniversary screening. After the screening, Tarantino and producer Lawrence Bender will sit for an extended Q&A.

The 2017 Sundance Film Festival runs Jan. 19-29 in Park City and at venues in Salt Lake City and the Sundance resort in Provo Canyon.