RT Journal Article
SR Electronic
T1 Professor J. A. Birkbeck replies as follows
JF Archives of Disease in Childhood
JO Arch Dis Child
FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health
SP 252
OP 253
DO 10.1136/adc.52.3.252-a
VO 52
IS 3
A1 Birkbeck, J. A.
YR 1977
UL http://adc.bmj.com/content/52/3/252.2.abstract
AB