@misc{indiciaefcb1a16316bf, title = {Effective use of teaching time.}, author = {C R JOYCE and M WEATHERALL}, year = {1959}, doi = {10.1016/s0140-6736(59)92325-6}, url = {https://pubmed.ncbi.nlm.nih.gov/13642813/}, note = {Source identifier: 13642813} }