@article {309720, title = {Mode of onset in evolutionary-relevant and evolutionary-neutral phobias: evidence from a clinical sample.}, journal = {Depress Anxiety}, volume = {5}, year = {1997}, month = {1997}, pages = {134-6}, keywords = {Adult, Arousal, Association Learning, Biological Evolution, Fear, Female, Humans, Male, Middle Aged, Phobic Disorders, Survival}, issn = {1091-4269}, author = {Menzies, R G and Harris, L M} }