PT  - JOURNAL ARTICLE
AU  - Engel, W. J.
TI  - Umbilical Concretions
DP  - 1941 Jul 01
TA  - Cleveland Clinic Journal of Medicine
PG  - 172--174
VI  - 8
IP  - 3
4099  - http://www.ccjm.org/content/8/3/172.short
4100  - http://www.ccjm.org/content/8/3/172.full
SO  - Cleve Clin J Med1941 Jul 01; 8