1. Recombinant luteinizing hormone supplementation in assisted reproductive technology: a systematic review 
Carlo Alviggi, M.D., Ph.D., Alessandro Conforti, M.D., Sandro C. Esteves, M.D., Ph.D., Claus Yding Andersen, D.M.Sc., Ernesto Bosch, M.D., Klaus Bühler, M.D., Anna Pia Ferraretti, M.D., Giuseppe De Placido, M.D., Antonio Mollo, M.D., Ph.D., Robert Fischer, M.D., Peter Humaidan, M.D., D.M.Sc. 
Fertility and Sterility 
Volume 109, Issue 4, Pages (April 2018)
DOI: /j.fertnstert
Copyright © 2018 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow chart.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2018 American Society for Reproductive Medicine Terms and Conditions