% pubman genre = article @article{item_1555744, title = {{Timing and probability of ovulation in relation to sex skin swelling in wild West African chimpanzees, Pan troglodytes verus}}, author = {Deschner, Tobias and Heistermann, Michael and Hodges, J. Keith and Boesch, Christophe}, language = {eng}, issn = {0003-3472}, doi = {10.1006/anbe.2003.2210}, year = {2003}, date = {2003}, journal = {{Animal Behaviour}}, volume = {66}, number = {3}, pages = {551--560}, }