المؤلفون: Dixon, Jennifer, Buck, David, Dougall, Durka, Johnson, Anne, Sim, Fiona, Wright, Jenny

المصدر: Working in Public Health ; page 150-160 ; ISBN 9781003433699

الاتاحة: http://dx.doi.org/10.4324/9781003433699-14

المؤلفون: McKay, Ailsa, Tang, Andrew, Dougall, Durka, Rumble, Caroline, Banerjee, Somen

المصدر: The Lancet ; volume 384, page S50 ; ISSN 0140-6736

الاتاحة: http://dx.doi.org/10.1016/s0140-6736(14)62176-0
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