Dear  Ndassi Vicky 

Pls. find the attached files and the references, good luck

Hoping this will be helpful to your project

Regards

Prof. Houda Kawas

http://memorias.ioc.fiocruz.br/issues/past-issues/item/3641-antibody-isotype-responses-to-egg-antigens-in-human-chronic-schistosomiasis-mansoni-before-and-after-treatment

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652001000300007

https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/jid/173/5/10.1093/infdis/173.5.1232/2/173-5-1232.pdf?Expires=1495890996&Signature=UWuMoeyfuxuOpsu6uUWrjsrW3aG9Dc2tozhHWrMLh4gqw86W9HD~Ey3lLmVZdkiysqGAcZJ-BRZ~9ylW6XjeaobsQb-tVup70wUhqdMkwLnmAFw6KwMIMKoxAloDwBnhy5nT59R1FKYLts6c4nzK4a1YXzsByBUUBzeawilJeyy-svsxzz5PnAqyWtSWOiIyDLLFxBPGCjCeWpTqpAYugC7gRliTRFfNOIKA4zHiKPGqFh2KTaUkzbw2lffUdJKmXpsmp5IRQkr1jLa2GEnrjy7oSzpdycQxj-S8ZZAl7YR7bvY71vreIzX5tfR2WRBXd7ZhV5eEbSYtXkzcLy8nuw__&Key-Pair-Id=APKAIUCZBIA4LVPAVW3Q

http://www.nature.com/nm/journal/v12/n7/full/nm1430.html

http://bmcinfectdis.biomedcentral.com/articles/10.1186/1471-2334-14-165

http://search.proquest.com/openview/7f37d995c82a9206364876b26c1ec044/1?pq-origsite=gscholar&cbl=40569

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3888303/

http://jcm.asm.org/content/40/9/3432.full

https://link.springer.com/chapter/10.1007%2F978-1-4615-5349-6_15#page-1

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0088042

And

http://bmcinfectdis.biomedcentral.com/articles/10.1186/1471-2334-14-165

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0088042

https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/jid/173/5/10.1093/infdis/173.5.1232/2/173-5-1232.pdf?Expires=1495891322&Signature=HoTxZW-R9x8w90wp7mNaIXmO-l-S0IUhp73qJiyGuIwHzoDjKduuXLs7~boikwGJvZkf-~HsuCODhVuhwHLAJeve0imH9xBhOIAVTpPjghyLpaDVymG2Nijks9XMI-DvyptxA5mWHRWJpo6kMkBIe6iwId7657e0q~iVnXmD2qQpQFHQHqPccDOR8oUOQWpfmJwytEYDgCVOCQ6~ebmL~4xq9IS4e3Fc4zdqST-lmYA1vzLYRrnA-ZtO5bzu1u6~qs5Iv37ltT-Imwpyk4b4sY~kRL-yNiVKLTyb0yGw7BdZZl~1MI6l8KfpdJ~rcLMRMNTqMk9MNgqW2j7MmBjxMg__&Key-Pair-Id=APKAIUCZBIA4LVPAVW3Q

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652001000300007

Also

good luck