@misc{10498/12414,
year = {1903},
month = {4},
url = {http://hdl.handle.net/10498/12414},
publisher = {Madrid :
   
     Imp. de M. Rojas,},
booktitle = {Tomo 50},
title = {El siglo médico
   Tomo 50 Nº2575 (19/04/1903)},
author = {},
}