TY  - RPRT
TI  - Sydney Ringer, serendipity, and hard work.
AU  - Heinz-Gerd Zimmer
PY  - 2005
DO  - 10.1002/clc.4960280114
UR  - https://pubmed.ncbi.nlm.nih.gov/15704534/
ID  - 15704534
ER  -