@misc{10498/11939,
year = {1890},
month = {2},
url = {http://hdl.handle.net/10498/11939},
publisher = {Madrid :
   
     Imp. de M. Rojas,},
booktitle = {Tomo 37},
title = {El siglo médico
   Tomo 37 Nº1884 (02/02/1890)},
author = {},
}