ABT	abatacept
ADA	adalimumab
BUC	bucillamine
CDAI	clinical disease activity index
CRP	C-reactive protein
CZP	certolizumab pegol
DAS	disease activity score
ETN	etanercept
GLM	golimumab
HAQ	health assessment questionnaire
IFX	infliximab
IGU	iguratimod
IgG	Immunoglobulin G
KL-6	krebs von den Lungen-6
LDH	lactate dehydrogenase
LTBI	latent tuberculosis infection
MPDN	methylprednisolone
MTX	methotrexate
NTM	nontuberculous mycobacteriosis
PCP	Pneumocystis Pneumonia
PDN	prednisolone
RA	rheumatoid arthritis
SASP	salazosulfapyridine
SDAI	simplified disease activity Index
TAC	tacrolimus
TCZ	tocilizumab
TMP/SMX	trimethoprim/sulfamethoxazole
TOF	tofacitinib
WBC	white blood cells
bDMARDs	biological disease modified anti-rheumatic drugs
tsDMARDs	targeted synthetic disease modified anti-rheumatic drugs