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Autor:
T. Poon-King, David P. Earle, E G Burt, J P Bray, A. R. Sharrett, Elizabeth V. Potter, J S Ortiz, J. F. Finklea
Publikováno v:
Journal of Clinical Investigation. 50:1197-1205
The relation of seven different M types of streptococci to acute glomerulonephritis associated with skin lesions in South Trinidad has been studied by means of type-specific antibody assays as well as by isolation and identification of the strains. T
Autor:
J. S. Ortiz
Publikováno v:
Archives of Internal Medicine. 126:640-646
Publikováno v:
Health laboratory science. 14(2)
Recently, several studies have reported that strains of Candida albicans and perhaps other noraml bacterial flora are capable of inhibiting the growth of Neisseria gonorrhoeae in vitro, and it is possible that this may occur in vivo as well. This pos
Autor:
J S Ortiz
Publikováno v:
American journal of public health. 70(10)
A parasitic surveillance of farm workers of Puerto Rican background and their children revealed a high prevalence rate (35.5%) of parasites in this population. This high prevalence rate, however, was expected in view of the fact that other researcher
Autor:
J S, Ortiz, D L, Decker
Publikováno v:
Health laboratory science. 13(3)
Sera from the salt water fish (Yellow tail flounder) and the fresh water fish (rainbow trout) were tested for the presence of circulating antibodies against nine strains of Vibrio parahaemolyticus and one of V. alginolyticus. Thirteen out of 26 floun
Autor:
J S, Ortiz, V L, Rivera
Publikováno v:
NIDA research monograph. 83
Autor:
J W, Kusek, J S, Ortiz
Publikováno v:
Health laboratory science. 14(1)
A study was carried out to determine the prevalence of significant bacteriuria in a mentally retarded population. With 100,000 or more bacteria per ml. of urine used as a criterion for significant bacteriuria, 24 of 665 persons studied were considere
Autor:
W. W. Yotis, J. S. Ortiz
Publikováno v:
Canadian journal of microbiology. 13(7)
The respiration and growth of 5 strains each of Staphylococcus aureus and Staphylococcus epidermidis in fresh normal rat and rabbit sera were measured. S. aureus grew and oxidized the sera of these animals better than S. epidermidis. Both S. aureus a
Autor:
J. S. Ortiz, W. W. Yotis
Publikováno v:
Antonie van Leeuwenhoek. 33(1)
A study has been made on the effect of rat serum on staphylococci. By following the respiration and growth of 5 strains ofStaphylococcus aureus and an equal number ofS. epidermidis in fresh, normal rat serum, we found thatS. aureus grew in, and oxidi