title: Histological observations on allografts and reciprocal xenografts in newts (Notophthalmus viridescens) and axolotis (Ambystoma mexicanum).
mesh_terms: D000557:Ambystoma; D000818:Animals; D001345:Autoradiography; D006084:Graft Rejection; D012867:Skin / Q000033:anatomy & histology / Q000378:metabolism; D016038:Skin Transplantation; D013936:Thymidine / Q000378:metabolism; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous; D014316:Tritium; D014562:Caudata
chemical_list: D014316:Tritium; D013936:Thymidine