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Sandy J. Andelman (June 1987). "Evolution of Concealed Ovulation in Vervet Monkeys (Cercopithecus aethiops)". The American Naturalist. 129 (6): 785–799. doi:10.1086/284675. S2CID83522515.
Brooksbank, B. W. L. (1962). "Urinary excretion of androst-16-en-3 alpha-ol in human male axillary sweat". Experientia. 30 (8): 864–865. doi:10.1007/bf01938327. PMID4416149. S2CID44558005.
Brewis, A.; Meyer, M. (2005). "Demographic Evidence That Human Ovulation is Undetectable (at Least in Pair Bonds)". Current Anthropology. 46 (3): 465–471. doi:10.1086/430016. S2CID30243603.
Pawłowski, B. (1999). "Loss of Oestrus and Concealed Ovulation in Human Evolution: The Case against the Sexual-Selection Hypothesis". Current Anthropology. 40 (3): 257–276. doi:10.1086/200017. S2CID85884654.