Qiong, Zhang; Jie, Hao; Yonggang, Wang; Bin, Xu; Jing, Zhao; Yanping, Li (2017). "Clinical validation of pinopode as a marker of endometrial receptivity: a randomized controlled trial". Fertility and Sterility(en inglés)108 (3): 513–517.e2. PMID28807395. doi:10.1016/j.fertnstert.2017.07.006.
Qiong, Zhang; Jie, Hao; Yonggang, Wang; Bin, Xu; Jing, Zhao; Yanping, Li (2017). "Clinical validation of pinopode as a marker of endometrial receptivity: a randomized controlled trial". Fertility and Sterility(en inglés)108 (3): 513–517.e2. PMID28807395. doi:10.1016/j.fertnstert.2017.07.006.