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Engelhardt A, Hodges JK, Heistermann M.Engelhardt A, et al. Among authors: heistermann m.Horm Behav. 2007 Jan;51(1):3-10. doi: 10.1016/j.yhbeh.2006.06.009. Epub 2006 Aug 4.Horm Behav. 2007.PMID: 16889780
Higham JP, Ross C, Warren Y, Heistermann M, MacLarnon AM.Higham JP, et al. Among authors: heistermann m.Horm Behav. 2007 Sep;52(3):384-90. doi: 10.1016/j.yhbeh.2007.06.003. Epub 2007 Jun 29.Horm Behav. 2007.PMID: 17681506
Higham JP, Semple S, MacLarnon A, Heistermann M, Ross C.Higham JP, et al. Among authors: heistermann m.Horm Behav. 2009 Jan;55(1):60-7. doi: 10.1016/j.yhbeh.2008.08.007. Epub 2008 Aug 26.Horm Behav. 2009.PMID: 18786539