TY - RPRT TI - An assay for hydroxyproline and proline on one sample and a simplified method for hydroxyproline. AU - N Blumenkrantz AU - G Asboe-Hansen PY - 1975 DO - 10.1016/0003-2697(75)90354-1 UR - https://pubmed.ncbi.nlm.nih.gov/1122021/ ID - 1122021 ER -