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Siegfried E, Chou TB, Perrimon N.Siegfried E, et al. Among authors: chou tb.Cell. 1992 Dec 24;71(7):1167-79. doi: 10.1016/s0092-8674(05)80065-0.Cell. 1992.PMID: 1335365
Ruohola-Baker H, Grell E, Chou TB, Baker D, Jan LY, Jan YN.Ruohola-Baker H, et al. Among authors: chou tb.Cell. 1993 Jun 4;73(5):953-65. doi: 10.1016/0092-8674(93)90273-s.Cell. 1993.PMID: 8500182