TY  - RPRT
TI  - Space science. Human flight is next step for China's space program.
AU  - Ding Yimin
AU  - Dennis Normile
PY  - 2003
DO  - 10.1126/science.299.5604.180a
UR  - https://pubmed.ncbi.nlm.nih.gov/12522219/
ID  - 12522219
ER  -