The efficacy of Pembrolizumab, Ipilimumab, and Nivolumab monotherapy and combination for colorectal cancer: A systematic review and meta-analysis - Albertus Ari Adrianto; Ignatius Riwanto; Udadi Sadhana; Dewi Kartikawati Paramita; Henry Setyawan; Kevin Christian Tjandra; Danendra Rakha Putra Respati; Derren David Christian Homenta Rampengan; Roy Novri Ramadhan; Gastin Gabriel Jangkang; Endang Mahati; Patricia Winona (PLoS ONE, 2025)