Negative pregnancy tests in urban adolescents: an important and often missed opportunity for clinicians.
Daley AM, Sadler LS, Leventhal JM, Cromwell PF, Reynolds HD. Negative pregnancy tests in urban adolescents: an important and often missed opportunity for clinicians. Pediatric Nursing 2005, 31: 87-9. PMID: 15934560.Peer-Reviewed Original Research