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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Yang, C. M. - Lua, H K - Yeo, K. L.
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 49
    Series: 4
    Date: 1997
    Page Range: 313--319
    Publication Info: Singapore, Govt. Print. Off. [etc.],