TY - RPRT TI - Flagellar necklaces: freeze-etch observations. AU - B H Bergstrom AU - C Henley PY - 1973 DO - 10.1016/s0022-5320(73)80026-7 UR - https://pubmed.ncbi.nlm.nih.gov/4735228/ ID - 4735228 ER -