In the article Excision of a Pseudocyst of the Hand in a Hemophiliac (PTC-Deficiency): Use of a Plasma Thromboplastin Component Concentrate by W. L. Bayer, J. D. Shea, D. C. Curiel, I. L. F. Szeto, and J. H. Lewis there are several errors in reference-citation numbers:
1. The seventh line of the first paragraph on page 1423 should read: "prepared on a limited scale in Europe2,11 and in this country4,8,14."
2. The third line of the first paragraph on page 1426 should read: "in hemophiliac patients1,3,5,6,7,12,13. . . ."
3. In the sixth line of the first paragraph on page 1426 the reference number after the name Matthews should be 15.