title: Annual report on external affairs.
authors.forename: E F
authors.initials: EF
authors.lastname: Plocha
authors.forename: R
authors.initials: R
authors.lastname: Levinson
mesh_terms: D000847:Annual Reports as Topic; D003159:Community-Institutional Relations; D006801:Humans; D015143:Philadelphia; D011641:Public Relations; D012955:Societies, Medical