Corifollitropin alfa vs recombinant FSH for controlled ovarian stimulation in women aged 35-42 years with a body weight ≥50 kg: a randomized controlled trial - Vuong, N L; Pham, D T; Phung, H T; Giang, H N; Huynh, G B; Nguyen, T TL (Hum Reprod Open, 2017)