Heterotopic triplet pregnancy with an intrauterine, a tubal, and a cervical gestation following in vitro fertilization and embryo transfer oleh Cheng-Kuan Lin, Kuo-Chang Wen, Pi-Lin Sung, Shih-Cheih Lin, Chiung-Ru Lai, Kuan-Chong Chao, Ming-Shyen Yen, Chia-Chien Chen, Hsin-Yang Li, Loy-Lan Too