@misc{indiciae748bdbf843bb, title = {Research in complex diseases.}, author = {Niek de Vries and Piet L C M van Riel and Leo B A van de Putte}, year = {2002}, doi = {10.1016/s0140-6736(02)08223-5}, url = {https://pubmed.ncbi.nlm.nih.gov/11955559/}, note = {Source identifier: 11955559} }