Polydrug abuse among opioid maintenance treatment patients is related to inadequate dose of maintenance treatment medicine von Heikman, Pertti Kalevi, Muhonen, Leea Hellevi, Ojanperä, Ilkka Antero

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Enzymatic assay for urine lactose in the assessment of recent intravenous abuse of buprenorphine von Keltanen, Terhi N., Heikman, Pertti K., Muhonen, Leea H., Gunnar, Teemu O., Ojanperä, Ilkka A.

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New psychoactive substances as part of polydrug abuse within opioid maintenance treatment revealed by comprehensive high-resolution mass spectrometric urine drug screening von Heikman, Pertti, Sundström, Mira, Pelander, Anna, Ojanperä, Ilkka

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Parenteral buprenorphine–naloxone abuse is a major cause of fatal buprenorphine-related poisoning von Häkkinen, Margareeta, Heikman, Pertti, Ojanperä, Ilkka

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New psychoactive substances as part of polydrug abuse within opioid maintenance treatment revealed by comprehensive high-resolution mass spectrometric urine drug screening: Polydru... von Heikman, Pertti, Sundström, Mira, Pelander, Anna, Ojanperä, Ilkka

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Urine naloxone concentration at different phases of buprenorphine maintenance treatment von Heikman, Pertti, Häkkinen, Margareeta, Gergov, Merja, Ojanperä, Ilkka

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Differential response to right unilateral ECT in depressed patients: impact of comorbidity and severity of illness [ISRCTN39974945] von Heikman, Pertti, Katila, Heikki, Sarna, Seppo, Wahlbeck, Kristian, Kuoppasalmi, Kimmo

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Biodistribution and radiation dosimetry of [123I]ADAM in healthy human subjects: preliminary results von KAUPPINEN, Tomi A, BERGSTRÖM, Kim A, HEIKMAN, Pertti, HILTUNEN, Jukka, AHONEN, Aapo K

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Value of the initial stimulus dose in right unilateral and bifrontal electroconvulsive therapy von HEIKMAN, P., TUUNAINEN, A., KUOPPASALMI, K.

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Right Unilateral and Bifrontal Electroconvulsive Therapy in the Treatment of Depression: A Preliminary Study von Heikman, Pertti, Kalska, Hely, Katila, Heikki, Sarna, Seppo, Tuunainen, Arja, Kuoppasalmi, Kimmo

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Seizures Induced by Low-Dose Right Unilateral and Bifrontal Electroconvulsive Stimuli von Heikman, Pertti, Tuunainen, Arja, Sailas, Eila, Kuoppasalmi, Kimmo

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Relation Between Frontal 3–7 Hz MEG Activity and the Efficacy of ECT in Major Depression von Heikman, Pertti, Salmelin, Riitta, Mäkelä, Jyrki P, Hari, Riitta, Katila, Heikki, Kuoppasalmi, Kimmo

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Right Unilateral and Bifrontal Electroconvulsive Therapy in the Treatment of Depression: A Preliminary Study von Rasmussen, Keith

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Reply to Letter to the Editor by Dr. Keith Rasmussen von Heikman, Pertti, Katila, Heikki, Tuunainen, Arja, Kalska, Hely, Sarna, Seppo, Kuoppasalmi, Kimmo

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