The effect of ultraviolet radiation on the ova of the ascarid roundworms toxocara cains and toxascaris leonina
The effect of ultraviolet radiation on the ova of the ascarid roundworms toxocara cains and toxascaris leonina - Washington : Smithsonian Institution, 1934. - 13 p. ; 21 cm. - Smithsoian Miscellaneous Colections .
Publ. 3291. Smithsonian Miscelleneos collections