| Issue Date | Title | Author(s) |
| 1992 | The activity of certain enzymes in the tick, Argas (Argas) hermanni during embryogenesis | Helmy, Nadia ; A.I. Gadallah |
| 2010 | Biochemical effects of some agricultural waste extracts against Culex pipiens (Diptera: Culicidae) | Helmy, Nadia ; Bakr,R.F.A ; Nawwar,G.A ; Ibrahim,S.El ; Helmy,O.M |
| 2007 | The biological effects of the Jh-analogue, pyriproxyfen on the house-dust mites: Dermatophagoides pteronyssinus and D.Farinae (Acari :Pyroglyphidae). | Awad.A.A. ; M.A.Kenawy ; A.M.El-Shafei ; Helmy, Nadia ; Y.Z.A.El-Zohery ; Y.M. Abdel-hamid |
| 1990 | Changes in neurosecretory cell activity in female Argas (Aragas) hermonni Audouin (Acari: Argasidae). | Shanbaky, N.M. ; A. El Said ; Helmy, Nadia |
| 2010 | Changes in protein content of Culex pipiens mosquito treated with two agriculture waste ex/tracts | Bakr,R.F.A ; Helmy, Nadia ; Nawwar,G.A ; Ibrahim,S.El ; Helmy,O.M |
| 1999 | Changes in the total protein in the gut and ovaries of Cimex lectularius (L.) sterilized by gamma radiation. | Helmy, Nadia ; N.M. Shanbaky ; H.M. Roushdy ; Y.S. Zaghloul |
| 1990 | Changes in total hemolymph and ovary proteins during oogenesis in Argas (Argas) hermonni (Acari: Argasidae). | Shanbaky, N.M. ; Mansour, M.M. ; Helmy, Nadia |
| 2018 | Changes in Vitellogenic Proteins During The Reproductive Cycle of The Female Tick, Argas persicus. | Nadia Helmy Ahmed ; Nawal M. Shanbaky ; Radwan, Wafaa ; Reda F. A. Bakr ; Dalia A.M. Salem ; Amira E. Abd El Hamid |
| 1-Nov-2013 | Correlation between Hepatitis B surface antigen titers and HBV DNA levels | Alghamdi, Amal; Aref, Nagwa ; El-Hazmi, Malak; Al-Hamoudi, Waleed; Alswat, Khalid; Helmy, Nadia ; Sanai, Faisal; Abdo, Ayman |
| 1-Nov-2013 | Correlation between Hepatitis B surface antigen titers and HBV DNA levels | Alghamdi, Amal; Nagwa Mohamed Amin Aref ; El-Hazmi, Malak; Al-Hamoudi, Waleed; Alswat, Khalid; Helmy, Nadia ; Sanai, Faisal; Abdo, Ayman |
| 1996 | Dynamics of Borrelia crocidurae infection in the mid gut and hemolymph of Ornithodoros (Pavlovskyella) erraticus and localization of the spirochete in the mid gut wall | Helmy, Nadia ; N. Lotfy ; A. Abd-ElMohsen |
| 1992 | Effect of 20-hydroxy ecdysone on haemolymph isozyme patterns of the female camel tick, Hyalomma dromedarii koch (Acari: Ixodidae) during vitellogenesis. | Helmy, Nadia |
| 1992 | Effect of 20-hydroxy ecdysone on Haemolymph proteins of the female tick, Hyalomma dromedarii koch (Acari: Ixodidae) during oogenesis | Gadallah, A.I. ; Helmy, Nadia |
| 1991 | Effect of different nutritive media on the toxicity of Bacillus sphaericus 1593-4 as mosquito larvicide. | Lotfy, N.M. ; Helmy, Nadia |
| 2009 | Effect of extrinsic incubation temperature on borrelial infection in various organs of Ornithodoros (O.) savignyi | Helmy, Nadia ; Shanbaky, N.M. ; Abdel Mohsen, A. ; Abdelhamid, Amira |
| 2009 | Effect of extrinsic incubation temperature on transstadial and transovarial transmission of Borrelia sp. in Ornithodoros (O.) savignyi and infectivity to vertebrate host. | Shanbaky, N.M. ; Helmy, Nadia ; Abdel Mohsen, A. ; Abd El-hamid, A.E |
| 2009 | Effect of juvenile hormone analogue (Admiral) on embroyogenesis of the soft tick Argas persicus (oken) | Helmy, Nadia ; Radwan, W.A ; Guneidy, N.A. ; Mohammed, S.S. |
| 2009 | Effect of juvenile hormone analogue (Admiral) on viability of eggs and postembryonic developmelt of the soft tick Argas persicus (oken). Egypt. | Radwan, W.A. ; Helmy, Nadia ; Guneidy N.A. ; Mohammed, S.S |
| 2018 | Effect of the Insect Growth Regulator “ Lufox” on Some Biological Aspects of the Soft Tick Argas persicus (Oken) | Nadia Helmy Ahmed ; Reda F. A. Bakr ; Dalia A.M. Salem ; Wafaa A. Radwan ; Shanbaky, Nawal ; Amira E. Abd El Hamid |
| 1995 | Embryogenesis of Phlebotomus papatasi sand fly (Diptera: Psychodidae) Organogenesis of the nervous system, tracheal system, muscular system, the heart and gonad rudiments. | Abbassy, M.M. ; Helmy, Nadia ; M. Osman ; S.E. Cope ; S.M. Presely |