Key points are not available for this paper at this time.
D. H. de Savigny, In vitro Maintenance of Toxocara canis Larvae and a Simple Method for the Production of Toxocara ES Antigen for Use in Serodiagnostic Tests for Visceral Larva Migrans, The Journal of Parasitology, Vol. 61, No. 4 (Aug., 1975), pp. 781-782
D H de Savigny (Fri,) studied this question.