 studi kinet transplant immun paramet number tumor cell produc tumor allogen anim vari interv antigen stimul immun forc earli 2 dai primari antigen stimul reach peak 8-10 dai subsid month method appli quantit studi onset degre durat immun elicit skin graft inocula larg number tumor cell 10 percent compar massiv skin graft differ degre antigen stimul rout inocul studi intraderm rout inocul intens antigen stimul rout rout inocul simultan pattern growth tumor influenc inocul inoculum 24 48 hr earlier caus mark suppress growth tumor inocul preced inocul appreci growth size growth curv 2 tumor parallel correl cytotox activ degre immun forc time 