Anomalous pulmonary venous connections and related anomalies: nomenclature, embryology, anatomy, and morphology.
Walsh MJ, Ungerleider RM, Aiello VD, Spicer D, Giroud JM. Anomalous pulmonary venous connections and related anomalies: nomenclature, embryology, anatomy, and morphology. World J Pediatr Congenit Heart Surg. 2013 Jan; 4(1):30-43.