Authors: Sally Grantham-McGregor; Yin Bun Cheung; Santiago Cueto; Paul Glewwe; Linda Richter; Barbara Strupp Journal: Lancet Date: 2007-01-06 Impact factor: 79.321
Authors: Henry Wamani; Anne Nordrehaug Astrøm; Stefan Peterson; James K Tumwine; Thorkild Tylleskär Journal: BMC Pediatr Date: 2007-04-10 Impact factor: 2.125