Barlow, Claude Heman (1921). "Experimental Ingestion of the Ova of Fasciolopsis buski; Also the Ingestion of Adult Fasciolopsis buski for the Purpose of Artificial Infestation". The Journal of Parasitology. ج. 8 ع. 1: 40–44. DOI:10.2307/3270940. JSTOR:3270940.
Barlow, Claude Heman (1921). "Experimental Ingestion of the Ova of Fasciolopsis buski; Also the Ingestion of Adult Fasciolopsis buski for the Purpose of Artificial Infestation". The Journal of Parasitology. ج. 8 ع. 1: 40–44. DOI:10.2307/3270940. JSTOR:3270940.