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. 1991 Mar 16;302(6777):659. doi: 10.1136/bmj.302.6777.659-a

The yellow card: mark II.

A W Asscher, D H Lawson

PMCID: PMC1675482 PMID: 2064651

659

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

Griffin J. P. The yellow card: mark II. BMJ. 1991 Jan 5;302(6767):50–50. doi: 10.1136/bmj.302.6767.50-a. [DOI] [PMC free article] [PubMed] [Google Scholar]

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