@misc{10498/11976,
year = {1891},
month = {2},
url = {http://hdl.handle.net/10498/11976},
publisher = {Madrid :
   
     Imp. de M. Rojas,},
booktitle = {Tomo 38},
title = {El siglo médico
   Tomo 38 Nº1936 (01/02/1891)},
author = {},
}