@misc{indiciaec66a61adbf2b, title = {Multi-matrix sampling: a valuable data collection method for health educators.}, author = {R S Gold and C E Basch and R J McDermott}, year = {1983}, doi = {10.1111/j.1746-1561.1983.tb01142.x}, url = {https://pubmed.ncbi.nlm.nih.gov/6552343/}, note = {Source identifier: 6552343} }