@misc{indiciae211ebca53d54, title = {Clinical trials and external validity.}, author = {B Kinosian and H Glick}, year = {1998}, doi = {10.1046/j.1524-4733.1998.130181.x}, url = {https://pubmed.ncbi.nlm.nih.gov/16674350/}, note = {Source identifier: 16674350} }