Biomedical subjects
S Hafiz
Publications and source records attributed to S Hafiz.
Cryptosporidiosis in Karachi.
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Is there a place for prophylaxis against tuberculosis following renal transplantation?
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Multiple respiratory tract infections with particular reference to immunocompromised patients.
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Economics of renal rehabilitation in Pakistan: a case for increasing transplantation activity.
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Microwave oven in microbiology.
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Microwave oven in microbiology laboratory.
Microwave oven can safely be used in microbiology laboratory for preparation of media. The method is convenient, reliable, economical and reproducible. It saves time and the quality of media is superior as compared to media prepared by conventional autoclaving method.
Etiology and management of diarrhoeal diseases in Karachi.
The incidence of diarrhoeal disease are very high in our population and bacterial etiology amounts to 43.55% of all cases. Pathogen such as Aeromonas hydrophila, Plesiomonas shigelloides, Yersinia enterocolitica and Campylobacter are also present in significant numbers, they make up 50% of bacterial causes. All enteric pathogens can be easily isolated on commonly used media and could be precisely identified by simple biochemical tests.
Microbiological specimens.
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Collection and handling of specimens for microbiological examination.
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Laboratory medicine. Basic principles.
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Carriage of group B streptococci in rectum and urogenital tract of pregnant women.
One hundred pregnant women in third trimester were screened for the carriage of group B streptococci (GBS) in a prospective study. Rectal and urogenital samples were collected, 25% women were positive for non group B beta haemolytic streptococci. Twelve (48%) were positive at single site and 13 (52%) at more than one site. Beta haemolytic streptococci isolated were non-groupables in 19 (76%) and groupables in 6 (24%). Among groupables, Group D streptococci (GDS) were the commonest 3 (12%) followed by Group G2 (8%) and Group F1 (4%). Group B streptococci were not isolated in our study population.
Clinical microbiology.
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Why? Which? and how?
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Reliable and realistic approach to sensitivity testing.
Antibiotic testing by Disc was compared with Break-Point method using 535 clinical isolates; Disc sensitivity method was carried out in the routine way using the disc provided by pharmaceutical company. Break-point sensitivity was done by incorporating the substrate into solid medium, the results obtained showed greater resistance by Break-point which appears to be more realistic in the light of indiscriminate usage of antibiotic. The method is simple, cost effective, reliable and realistic (JPMA 39 : 94, 1989).