TY - RPRT TI - A SECOND NAPHTHOQUINONE IN SPINACH CHLOROPLASTS. AU - M MCKENNA AU - M D HENNINGER AU - F L CRANE PY - 1964 DO - 10.1038/203524a0 UR - https://pubmed.ncbi.nlm.nih.gov/14202379/ ID - 14202379 ER -