Umar F. Khan

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OBJECTIVE To compare urea breath and stool antigen in children, with histological diagnosis for Helicobacter pylori (H.pylori) infection. STUDY DESIGN Cross-sectional study. PLACE AND DURATION OF STUDY From June 2005 to December 2005 carried out at KRL Hospital, Islamabad and Children Hospital, PIMS, Islamabad. PATIENTS AND METHODS Children between 3(More)
OBJECTIVE To describe and validate a technique for sonographically guided posterior cruciate ligament (PCL) injections. DESIGN Prospective, cadaveric laboratory investigation. SETTING Procedural skills laboratory. SUBJECTS Eight unembalmed, cadaveric, mid-thigh-knee specimens (4 left knees and 4 right knees) obtained from 4 male and 4 female donors(More)
OBJECTIVE To describe and validate a practical technique for sonographically guided anterior cruciate ligament (ACL) injections. DESIGN Prospective, cadaveric laboratory investigation. SETTING Procedural skills laboratory in a tertiary medical center. SUBJECTS Ten unembalmed, cadaveric mid-thigh-knee-ankle foot specimens (5 left knees and 5 right(More)
The two major applications of microwave remote sensors are radiometer and radar. Lots of researches have been conducted on the various aspects of radiometer and radar but internal logical design is mostly ignored by researchers because of its digital logic and complex nature. This paper focus on radiometer from a design point of view and a low noise(More)
Purpose: To analyze the morphometric changes, including diameter of ovary and oocytes in ovarian follicles as well as histological changes in these follicles in prepubertal rats after exposure to gamma radiation. Materials and Methods: 108 albino rats of 3wks age were the subjects of this study. Out of them, randomly chosen 36 animals received 4.5Gy and(More)
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