@misc{indiciaee549ebd038c1, title = {Insomnia for 5 years.}, author = {K Lieb and M Maiwald and M Berger and U Voderholzer}, year = {1999}, doi = {10.1016/s0140-6736(99)08400-7}, url = {https://pubmed.ncbi.nlm.nih.gov/10622300/}, note = {Source identifier: 10622300} }