Colorectal cancer screening in Semarang, Indonesia: A multicenter primary health care based study. oleh Hery Djagat Purnomo, Cecilia Oktaria Permatadewi, Agung Prasetyo, Didik Indiarso, Hesti Triwahyu Hutami, Dik Puspasari, Devia Eka Listiana, Suhartono, Herna Rizkia Armatussolikha, Suryanto Setyo Priyadi, Sri Sadono, Silvina, Nurhayati, Samsudin, Ahnaf, Muhammad Hidayanto, Puriyanto Wahyu Nugroho, Nur Dian Rakhmawati, Agus Susanto, Mukti Setiawan, Mochamad Sonny