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  • Title: Deficient sympatho-adrenal activity-a cause of apnoea? Urinary excretion of catecholamines and their metabolites in preterm infants.
    Author: Lagercrantz H, Sjöquist B.
    Journal: Early Hum Dev; 1980 Dec; 4(4):405-9. PubMed ID: 7460804.
    Abstract:
    Catecholamines (CA) and the CA metabolites 4-hydroxy-3-methoxyphenyl-glycol (HMPG) and 4-hydroxy-3-methoxymandelic acid (VMA) have been determined in 8 preterm infants with recurrent apnoea and in 6 infants with the same birth weight total CA, HMPG or VMA excretion was found during the second, fifth and twelfth day, except for adrenaline, which was higher in the low-apnoeic group during one day.
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