Zheng S. -M. , Wang S. -Q. , Ma J. , Kong L. -N. , Sun X. -M. , Li S. Mental status of myocardial infarction patients undergoing autologous bone marrow stem cell transplantation.

郑淑梅，王霜秋，马静，孔令娜，孙雪梅，李双自体骨髓干细胞移植治疗心肌梗死患者心理状态调查分析。

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On the other side of the territory, Maple Ma and her husband Dave Li live in an apartment twice the size of Mr Chang's, but they are starting to feel cramped.

BBC: Hong Kong copes with tight living spaces