TY - RPRT TI - Physical properties of the amino-terminal precursor-specific portion of type I procollagen. AU - J Engel AU - P Bruckner AU - U Becker AU - R Timpl AU - B Rutschmann PY - 1977 DO - 10.1021/bi00637a014 UR - https://pubmed.ncbi.nlm.nih.gov/20926/ ID - 20926 ER -