Haddon W Jr. (1974). "Editorial: Strategy in preventive medicine: passive vs. active approaches to reducing human wastage". Journal of Trauma. ج. 14 ع. 4: 353–4. DOI:10.1097/00005373-197404000-00022. PMID:4819627.
Baker SP، Haddon W Jr (Fall 1974). "Reducing injuries and their results: the scientific approach". Milbank Mem Fund Q Health Soc. ج. 52 ع. 4: 377–89. DOI:10.2307/3349509. JSTOR:3349509. PMID:4498200.
Baker SP، Haddon W Jr (Fall 1974). "Reducing injuries and their results: the scientific approach". Milbank Mem Fund Q Health Soc. ج. 52 ع. 4: 377–89. DOI:10.2307/3349509. JSTOR:3349509. PMID:4498200.
Haddon W Jr. (1974). "Editorial: Strategy in preventive medicine: passive vs. active approaches to reducing human wastage". Journal of Trauma. ج. 14 ع. 4: 353–4. DOI:10.1097/00005373-197404000-00022. PMID:4819627.
Baker SP، Haddon W Jr (Fall 1974). "Reducing injuries and their results: the scientific approach". Milbank Mem Fund Q Health Soc. ج. 52 ع. 4: 377–89. DOI:10.2307/3349509. JSTOR:3349509. PMID:4498200.