Song LD, Newhouse JP, Garcia-De-Albeniz X, Hsu J. Changes in screening colonoscopy following Medicare reimbursement and cost-sharing changes. Health Serv Res. 2019 Aug;54(4):839-50. doi: 10.1111/1475-6773.13150
Johannes CB, Caro JJ, Hartz SC, Marrs R. Adverse effects of ovulatory stimulants: a review. Assist Reprod Rev. 1993;3:68-74.