Horsfall, M W DEVELOPMENT OF CERCARIA MACROSTOMA FAUST INTO PROTEROMETRA (NOV. GEN.) MACROSTOMA. [electronic resource] - Science (New York, N.Y.) Aug 1933 - 175-6 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.78.2017.175 doi