RT Article T1 Sources of guns to dangerous people: What we learn by asking them JF Preventive medicine VO 79 SP 28 OP 36 A1 Cook, Philip J. 1946- A2 Pollack, Harold A. A2 Parker, Susan T. LA English YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1912708604 DO 10.1016/j.ypmed.2015.04.021