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Supported by the Austrian Science Fund (P16394-B05).
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Zernig, G., Wakonigg, G., Madlung, E. et al. Do vertical shifts in dose-response rate-relationships in operant conditioning procedures indicate “sensitization” to “drug wanting”?. Psychopharmacology 171, 349–351 (2004). https://doi.org/10.1007/s00213-003-1601-0
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DOI: https://doi.org/10.1007/s00213-003-1601-0