passages.id: split_8_test_2210_passage
passages.type: progene_text
passages.text: Blood samples from all individuals were collected and tested for serum HBsAg , HBeAg , anti - HBe , anti - HBs , anti - HBc with enzyme linked immunoabsorbent assay and for serum alanine aminotransferase ( ALT ) , gamma-glutamyltransferase ( gamma - GT ) and alkaline phosphatase ( ALP ) contents by colorimetry .