2012
Journal of clinical epidemiology, (2012).66 2 10.1016/j.jclinepi.2012.10.003.
2012
BMJ (Clinical research ed), (2012).345 dec17 10.1136/bmj.e8082.
2012
Quality of life research, (2012).22 8 10.1007/s11136-012-0332-2.
2012
Lancet, (2012).380 9859 10.1016/S0140-6736(12)61680-8.
2012
International journal of epidemiology, (2012).42 1 10.1093/ije/dys215.
2012
BMC pregnancy and childbirth, (2012).12 1 10.1186/1471-2393-12-151.
2012
Health policy and planning, (2012).28 8 10.1093/heapol/czs126.
2012
Maternal & child nutrition, (2012).11 3 10.1111/mcn.12021.
2012
Social science & medicine (1982), (2012).91, 10.1016/j.socscimed.2012.11.040.
