possible adverse effects of the quadrivalent human papillomavirus vaccine in the region of southern denmark: a retrospective, descriptive cohort study. | since the introduction of the quadrivalent human papillomavirus vaccine, young girls and women have reported a broad range of symptoms. these have been described as possible adverse effects of the vaccine. in this study, we describe demographic characteristics, symptomatology, clinical and laboratory test results in patients referred with suspected adverse effects in the region of southern denmark. | 2017 | 28673380 |