Authors: W Szmuness; C E Stevens; E J Harley; E A Zang; W R Oleszko; D C William; R Sadovsky; J M Morrison; A Kellner Journal: N Engl J Med Date: 1980-10-09 Impact factor: 91.245
Authors: Mark Richard Stenger; Stefan Baral; Shauna Stahlman; Dan Wohlfeiler; Jerusha E Barton; Thomas Peterman Journal: Sex Health Date: 2017-02 Impact factor: 2.706