ACHARYA, P T Comparative evaluation of concentration methods for the detection of cysts and ova in faces. [electronic resource] - Journal of the Indian Medical Association Apr 1959 - 322-4 p. digital Publication Type: Journal Article ISSN: 0019-5847 Subjects--Topical Terms: AnimalsCystsHelminthiasis--diagnosisHelminthsHumansProtozoan Infections--diagnosisSkin Tests