Singh, Ksh. Manisana Studies on regulation of Arylalkylamine N-acetyltransferase (AA-NAT) gene expression in photoreceptive pineal organ of the catfish, clarias gariepinus - Shillong Department of Zoology, NEHU 2015 - iii,188.:ill.;28cm. Abstract Subjects--Topical Terms: Catfishes-Research Dewey Class. No.: 597.49 / SIN