TY - RPRT TI - Ethics: China already has clear stem-cell guidelines. AU - Linzhao Cheng AU - Ren-Zong Qiu AU - Hongkui Deng AU - Yu Alex Zhang AU - Ying Jin AU - Lingsong Li PY - 2006 DO - 10.1038/440992b UR - https://pubmed.ncbi.nlm.nih.gov/16625175/ ID - 16625175 ER -