المؤلفون: Berbel Hernández, C., Morquecho Gil, M., de la Puente Callejo, J., Viña Simón, M.C., Crespo Allue, E., García Montero, I., González Guillén, M.I., Llorente Martínez, M.S., Sanz López, P.

المصدر: Gaceta Sanitaria ; volume 15, issue 3, page 224-229 ; ISSN 0213-9111

الاتاحة: http://dx.doi.org/10.1016/s0213-9111(01)71551-8
https://api.elsevier.com/content/article/PII:S0213911101715518?httpAccept=text/xml
https://api.elsevier.com/content/article/PII:S0213911101715518?httpAccept=text/plain