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Biomedical subjects

P D Sharma

Publications and source records attributed to P D Sharma.

27 records · Page 2Linked to original sources

Falciparum malaria.

We analysed cases of hematologically proved cases of Plasmodium falciparum malaria encountered from July 1984 to Dec 1985 in a military hospital. The age range was 3 days to 10 years. Majority presented with classical symptom of fever (92.7%). Others presented with gastrointestinal (7.3%), hepatic (4.5%), central nervous system (7.3%) and respiratory (3.6%) symptoms. Anemia was found in 36.4%. Hepatosplenomegaly was present in majority of the cases. The rare findings were polyarthritis, rash, urticaria and cerebellar features. All cases responded to chloroquine or quinine. No resistance to drugs was found and there was no mortality.

Animals↗

Dosimetric aspects of the therapeutic photon beams from a dual-energy linear accelerator.

Parameters of the photon beams (6 and 20 MV) from a dual-energy linear accelerator (Mevatron-KD, Siemens Medical Laboratories, CA) are presented. The depth dose characteristics of the photon beams are dmax of 1.8 and 3.8 cm and percentage depth dose of 68% and 80% at 10-cm depth and 100-cm source-surface distance for a field size of 10 X 10 cm2 for 6 and 20 MV, respectively. The 6 and 20 MV beams were found to correspond to nominal accelerating potentials of 4.7 and 17 MV, respectively. The stability of output is within +/- 1% and flatness and symmetry are within +/- 3%. These figures compare favorably with the manufacturer's specifications.

Humans↗