@misc{indiciaeac9c9d1378a1, title = {Practice-based research: opportunities and obstacles.}, author = {K K Christoffel and H J Binns and J A Stockman and P McGuire and J Poncher and S Unti and B Typlin and G Lasin and W Seigel}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/3405674/}, note = {Source identifier: 3405674} }