King R J
Cancer. 1980 Dec 15;46(12 Suppl):2822-4. doi: 10.1002/1097-0142(19801215)46:12+<2822::aid-cncr2820461417>3.0.co;2-c.
Estradiol receptor analyses in common tissue preparations have been carried out by five institutions in the United Kingdom. The results indicate the importance of suitable quality control programs for laboratories involved in clinical application of receptor values.