TY  - GEN
AU  - Berthelot,J M
TI  - Antiperinuclear factor in the polyarticular form of juvenile chronic arthritis: are use of frozen material or age of patients relevant?
SN  - 0003-4967
PY  - 1995///0405
KW  - Adolescent
KW  - Age Factors
KW  - Antibodies, Antinuclear
KW  - blood
KW  - Arthritis, Juvenile
KW  - immunology
KW  - Child
KW  - Cryopreservation
KW  - Humans
KW  - Immunoglobulin G
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1136/ard.54.1.76-b
ER  -