- The Relationship between the Age of Onset and Concentrations of Plasma Homovanillic Acid and 3-Methoxy-4-Hydroxyphenylglycol before and after the Neuroleptic Treatment in Patients with Schizophrenia
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Ha HR, Lee IS, Hahn KH
- KMID: 2340873
- J Korean Neuropsychiatr Assoc.
- 2003 Sep;42(5):553-558.
OBJECTIVES: The authors investigated the possibility of homovanillic acid (HVA) and 3-methoxy-4-hydroxyphenylglycol (MHPG) concentrations in plasma to be biological markers before and after the pharmacological treatment of schizophrenia. METHODS: Twenty-six patients... -
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- Vocal Dynamic Studies before and after Laryngeal Microsurgery
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Kim YM, Cho JI, Kim CH, Kim YJ, Ha HR
- KMID: 1874219
- Korean J Otolaryngol-Head Neck Surg.
- 1999 Sep;42(9):1174-1178.
BACKGROUND AND OBJECTIVES: Perceptual acoustic measures are most often used to judge the outcomes and the objective analysis of phonosurgical results before and after the microlaryngeal surgery. However, they have... -
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- Voice Comparison between Strap Muscle Retraction and Cutting Technique in Thyroidectomy
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Kim YM, Cho JI, Kim CH, Park JS, Choi HS, Ha HR
- KMID: 2074404
- Korean J Otolaryngol-Head Neck Surg.
- 2000 Sep;43(9):985-991.
BACKGROUND AND OBJECTIVES: A voice analysis was carried out before and after thyroid surgeries without laryngeal nerve injury, between strap muscle retraction and cutting group in thyroid surgery. The study... -
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