preferred_name: heparan sulfate proteoglycan biosynthetic process, chain elongation
preferred_name_lc: heparan sulfate proteoglycan biosynthetic process, chain elongation
label: heparan sulphate proteoglycan biosynthesis, polysaccharide chain biosynthesis
label_lc: heparan sulphate proteoglycan biosynthesis, polysaccharide chain biosynthesis