TY  - GEN
AU  - Verhonick P.J.
TI  - Descriptive study methods in nursing
T2  - (PAHO scientific publication ; no. 219)
PY  - 1971///
CY  - Washington, D.C. : 
PB  - Pan American Health Organization
KW  - Nursing
KW  - Research
KW  - Education, nursing
ER  -