@misc{10498/11967,
year = {1981},
month = {4},
url = {http://hdl.handle.net/10498/11967},
publisher = {Madrid :
   
     Imp. de M. Rojas,},
booktitle = {Tomo 38},
title = {El siglo médico
   Tomo 38 Nº1946 (12/04/1981)},
author = {},
}