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Le Grand A, Sri-Ngernyuang L, Streefland PH.Le Grand A, et al. Among authors: streefland ph.Soc Sci Med. 1993 Apr;36(8):1023-35. doi: 10.1016/0277-9536(93)90120-s.Soc Sci Med. 1993.PMID: 8475418