F. W. A. Sertuerner: Ueber das Morphium, eine neue salzfähige Grundlage, und die Mekonsäure, als Hauptbestandtheile des Opiums. In: Annalen der Physik. Band 55, 1817, Nr. 1, S.56–89, doi:10.1002/andp.18170550104.
M. D. Gates, G. Tschudi: The Synthesis of Morphine. In: J. Am. Chem. Soc., 1956; 78 (7): S.1380–1393, doi:10.1021/ja01588a033.
J. Kalvoda, P. Buchschacher, O. Jeger: Über die absolute Konfiguration des Morphins und verwandter Alkaloide, Helv. Chim. Acta, 38 (7), 1955, S.1847–1856, doi:10.1002/hlca.19550380723.
Youwen Zhuang, Yue Wang, Bingqing He, Xinheng He, X. Edward Zhou, Shimeng Guo, Qidi Rao, Jiaqi Yang, Jinyu Liu, Qingtong Zhou, Xiaoxi Wang, Mingliang Liu, Weiyi Liu, Xiangrui Jiang, Dehua Yang, Hualiang Jiang, Jingshan Shen, Karsten Melcher, Hong Chen, Yi Jiang, Xi Cheng, Ming-Wei Wang, Xin Xie, H. Eric Xu:Molecular recognition of morphine and fentanyl by the human μ-opioid receptor. In: Cell. Band185, Nr.23, 2022, S.4361–4375.e19, doi:10.1016/j.cell.2022.09.041.
Kenner C. Rice:Synthetic opium alkaloids and derivatives. A short total synthesis of (±)-dihydrothebainone, (±)-dihydrocodeinone, and (±)-nordihydrocodeinone as an approach to a practical synthesis of morphine, codeine, and congeners. In: The Journal of Organic Chemistry. Band45, Nr.15, 1980, S.3135–3137, doi:10.1021/jo01303a045.
F. Bévalot, C. Bottinelli, N. Cartiser, L. Fanton, J. Guitton: Quantification of five compounds with heterogeneous physicochemical properties (morphine, 6-monoacetylmorphine, cyamemazine, meprobamate and caffeine) in 11 fluids and tissues, using automated solid-phase extraction and gas chromatography-tandem mass spectrometry. In: Journal of Analytical Toxicology, 2014, 38 (5), S.256–264; PMID 24790060.
G. Tassoni, D. Mirtella, M. Zampi, L. Ferrante, M. Cippitelli, E. Cognigni, R. Froldi, M. Cingolani: Hair analysis in order to evaluate drug abuse in driver’s license regranting procedures. In: Forensic Sci Int., 2014, 244C, S.16–19; PMID 25151106.
N. Fucci, G. Vetrugno, N. de Giovanni: Drugs of abuse in hair: application in pediatric patients. In: Therapeutic Drug Monitoring, 2013, 35 (3), S.411–413; PMID 23666584.
P. Chen, R. A. Braithwaite, C. George, P. J. Hylands, M. C. Parkin, N. W. Smith, A. T. Kicman: The poppy seed defense: a novel solution. In: Drug Testing and Analysis, 2014, 6 (3), S.194–201; PMID 24339374
D. Dowell et al.: Opioid Analgesics – Risky Drugs, Not Risky Patients. In: JAMA, 2013, 309 (21), S.2219–2220. PMID 23700072; jamanetwork.com