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Newberg A, Pourdehnad M, Alavi A, d'Aquili EG (October 2003). "Cerebral blood flow during meditative prayer: preliminary findings and methodological issues". Perceptual and Motor Skills. 97 (2): 625–30. doi:10.2466/pms.2003.97.2.625. PMID14620252. S2CID28963938.
Newberg A, Pourdehnad M, Alavi A, d'Aquili EG (October 2003). "Cerebral blood flow during meditative prayer: preliminary findings and methodological issues". Perceptual and Motor Skills. 97 (2): 625–30. doi:10.2466/pms.2003.97.2.625. PMID14620252. S2CID28963938.
Newberg A, Pourdehnad M, Alavi A, d'Aquili EG (October 2003). "Cerebral blood flow during meditative prayer: preliminary findings and methodological issues". Perceptual and Motor Skills. 97 (2): 625–30. doi:10.2466/pms.2003.97.2.625. PMID14620252. S2CID28963938.