@inproceedings{inproceedings, title = {{Why is the early intervention development phase for complex health care interventions important? An overview of new guidance}}, publisher = {{BMC}}, url = {{}}, year = {{2019}}, month = {{10}}, author = {{O'Cathain A and Croot E and Duncan E and Rousseau N and Sworn K and Turner K and Yardley L and Hoddinott P}}, doi = {{10.1186/s13063-019-3688-6}}, volume = {{20}}, journal = {{Trials}}, issue = {{Supplement 1}}, pages = {{99-99}}, note = {{Accessed on 2025/05/20}}}