immunosuppression writing on a yellow background

immunosuppressant immunosuppressive chemistry molecular molecule transplantation chemical formula skeletal atomic structure rejection organic flat oxygen structural hydrogen atom carbon transplant icon drawing medication drug vector nitrogen eczema organ autoimmune science disease medicine macrolide uveitis model lactone behcet inflammatory system rheumatoid arthritis sirolimus ointment aza streptomyces fkbp12 fk506 dermatology chemotherapy purine immunosuppression writing design yellow background simple cool