During his practice, Dr. Rueda met the dental needs of the people of Lorica, Cerete, San Pelayo, San Carlos, Garzones among all other southern and middles regions of the Sinú River.
The verse given as Patrick's Rune is L'Engle's adaptation of an authentic medieval prayer, "Saint Patrick's Breastplate", which in turn is a variation on the Lorica of Saint Patrick.
St Gildas, the Welsh author of the De Excidio et Conquestu Britanniae, is also credited with the Lorica, or Breastplate, an apotropaic charm against evil that is written in a curiously learned vocabulary; this too probably relates to an education in the Irish styles of Latin.