The study was carried out to test for the in vitro action of Vernonia perrottetii extracts against Staphylococcus species isolated from women with Vulvovaginitis using medically certified standard procedures. A total 50 samples intravaginal swab (ICS) were collected consented pregnant a State Specialist Hospital Nigeria and investigated presence effect V. on isolates. phytochemical screening me...

Tropospheric radio wave signals experience loss due to multipath effect, scattering and other forms of attenuation through the atmospheric medium, primarily variations in weather conditions with time. The knowledge surface refractivity profile is important for optimal planning Very High Frequency/Ultra Frequency (VHF/UHF) terrestrial links a region. study (Ns) over North-Central Nigeria was car...