Efficacy of preladenant in improving motor symptoms in Parkinson's disease: A systematic review and meta-analysis oleh Mohammad Amin Karimi, Alireza Ghajari, Reza Khademi, Mohammad Hossein Etemadi, Narges Safar Firouz, Behnaz Mohammadvand, Kimia Janeshin, Afra Darvishi, Shafagh Asgarzadeh, Sayedeh-Fatemeh Sadat-Madani, Mohammad Abbasalizadeh, Zahra Jafari Shendi, Ata Akhtari Kohnehshahri, Niloofar Deravi, Seyed Amirhossein Mazhari, Mahsa Aziz, Matin Bidares, Mohaddeseh Belbasi, Mahdyieh Naziri, Hossein Ashkpour Motlagh