TY  - RPRT
TI  - [Fertility survey. Approximation to normal values].
AU  - J Gracia Romero
AU  - J Sánchez Zalabardo
AU  - J Sánchez García
PY  - 1999
UR  - https://pubmed.ncbi.nlm.nih.gov/10633966/
ID  - 10633966
ER  -