Alves, Mariana Carlos, Andreia Leitão Marques, Helena Barros Leite, Ana Paula Sousa, and Teresa Almeida-Santos. 2019. “Medically Assisted Reproduction in Natural Cycle: Outcome Evaluation of a Reproductive Medicine Department”. Acta Médica Portuguesa 32 (1). Lisbon, Portugal:25-29. https://doi.org/10.20344/amp.10195.